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From The Collaborative International Dictionary of English v.0.48:
Compound \Com"pound\, a. [OE. compouned, p. p. of compounen. See Compound, v. t.] Composed of two or more elements, ingredients, parts; produced by the union of several ingredients, parts, or things; composite; as, a compound word. [1913 Webster] Compound substances are made up of two or more simple substances. --I. Watts. [1913 Webster] Compound addition, subtraction, multiplication, division (Arith.), the addition, subtraction, etc., of compound numbers. Compound crystal (Crystallog.), a twin crystal, or one seeming to be made up of two or more crystals combined according to regular laws of composition. Compound engine (Mech.), a form of steam engine in which the steam that has been used in a high-pressure cylinder is made to do further service in a larger low-pressure cylinder, sometimes in several larger cylinders, successively. Compound ether. (Chem.) See under Ether. Compound flower (Bot.), a flower head resembling a single flower, but really composed of several florets inclosed in a common calyxlike involucre, as the sunflower or dandelion. Compound fraction. (Math.) See Fraction. Compound fracture. See Fracture. Compound householder, a householder who compounds or arranges with his landlord that his rates shall be included in his rents. [Eng.] Compound interest. See Interest. Compound larceny. (Law) See Larceny. Compound leaf (Bot.), a leaf having two or more separate blades or leaflets on a common leafstalk. Compound microscope. See Microscope. Compound motion. See Motion. Compound number (Math.), one constructed according to a varying scale of denomination; as, 3 cwt., 1 qr., 5 lb.; -- called also denominate number. Compound pier (Arch.), a clustered column. Compound quantity (Alg.), a quantity composed of two or more simple quantities or terms, connected by the sign + (plus) or - (minus). Thus, a + b - c, and bb - b, are compound quantities. Compound radical. (Chem.) See Radical. Compound ratio (Math.), the product of two or more ratios; thus ab:cd is a ratio compounded of the simple ratios a:c and b:d. Compound rest (Mech.), the tool carriage of an engine lathe. Compound screw (Mech.), a screw having on the same axis two or more screws with different pitch (a differential screw), or running in different directions (a right and left screw). Compound time (Mus.), that in which two or more simple measures are combined in one; as, 6-8 time is the joining of two measures of 3-8 time. Compound word, a word composed of two or more words; specifically, two or more words joined together by a hyphen. [1913 Webster] .
From The Collaborative International Dictionary of English v.0.48:
Word \Word\, n. [AS. word; akin to OFries. & OS. word, D. woord, G. wort, Icel. or[eth], Sw. & Dan. ord, Goth. wa['u]rd, OPruss. wirds, Lith. vardas a name, L. verbum a word; or perhaps to Gr. "rh`twr an orator. Cf. Verb.] [1913 Webster] 1. The spoken sign of a conception or an idea; an articulate or vocal sound, or a combination of articulate and vocal sounds, uttered by the human voice, and by custom expressing an idea or ideas; a single component part of human speech or language; a constituent part of a sentence; a term; a vocable. "A glutton of words." --Piers Plowman. [1913 Webster] You cram these words into mine ears, against The stomach of my sense. --Shak. [1913 Webster] Amongst men who confound their ideas with words, there must be endless disputes. --Locke. [1913 Webster] 2. Hence, the written or printed character, or combination of characters, expressing such a term; as, the words on a page. [1913 Webster] 3. pl. Talk; discourse; speech; language. [1913 Webster] Why should calamity be full of words? --Shak. [1913 Webster] Be thy words severe; Sharp as he merits, but the sword forbear. --Dryden. [1913 Webster] 4. Account; tidings; message; communication; information; -- used only in the singular. [1913 Webster] I pray you . . . bring me word thither How the world goes. --Shak. [1913 Webster] 5. Signal; order; command; direction. [1913 Webster] Give the word through. --Shak. [1913 Webster] 6. Language considered as implying the faith or authority of the person who utters it; statement; affirmation; declaration; promise. [1913 Webster] Obey thy parents; keep thy word justly. --Shak. [1913 Webster] I know you brave, and take you at your word. --Dryden. [1913 Webster] I desire not the reader should take my word. --Dryden. [1913 Webster] 7. pl. Verbal contention; dispute. [1913 Webster] Some words there grew 'twixt Somerset and me. --Shak. [1913 Webster] 8. A brief remark or observation; an expression; a phrase, clause, or short sentence. [1913 Webster] All the law is fulfilled in one word, even in this; Thou shalt love thy neighbor as thyself. --Gal. v. 14. [1913 Webster] She said; but at the happy word "he lives," My father stooped, re-fathered, o'er my wound. --Tennyson. [1913 Webster] There is only one other point on which I offer a word of remark. --Dickens. [1913 Webster] By word of mouth, orally; by actual speaking. --Boyle. Compound word. See under Compound, a. Good word, commendation; favorable account. "And gave the harmless fellow a good word." --Pope. In a word, briefly; to sum up. In word, in declaration; in profession. "Let us not love in word, . . . but in deed and in truth." --1 John iii. 8. Nuns of the Word Incarnate (R. C. Ch.), an order of nuns founded in France in 1625, and approved in 1638. The order, which also exists in the United States, was instituted for the purpose of doing honor to the "Mystery of the Incarnation of the Son of God." The word, or The Word. (Theol.) (a) The gospel message; esp., the Scriptures, as a revelation of God. "Bold to speak the word without fear." --Phil. i. 14. (b) The second person in the Trinity before his manifestation in time by the incarnation; among those who reject a Trinity of persons, some one or all of the divine attributes personified. --John i. 1. To eat one's words, to retract what has been said. To have the words for, to speak for; to act as spokesman. [Obs.] "Our host hadde the wordes for us all." --Chaucer. Word blindness (Physiol.), inability to understand printed or written words or symbols, although the person affected may be able to see quite well, speak fluently, and write correctly. --Landois & Stirling. Word deafness (Physiol.), inability to understand spoken words, though the person affected may hear them and other sounds, and hence is not deaf. Word dumbness (Physiol.), inability to express ideas in verbal language, though the power of speech is unimpaired. Word for word, in the exact words; verbatim; literally; exactly; as, to repeat anything word for word. Word painting, the act of describing an object fully and vividly by words only, so as to present it clearly to the mind, as if in a picture. Word picture, an accurate and vivid description, which presents an object clearly to the mind, as if in a picture. Word square, a series of words so arranged that they can be read vertically and horizontally with like results. [1913 Webster] Note: H E A R T E M B E R A B U S E R E S I N T R E N T (A word square) Syn: See Term. [1913 Webster]