- Enter a word for the dictionary definition.
From The Collaborative International Dictionary of English v.0.48:
Orismology \O`ris*mol"o*gy\ ([=o]`r[i^]s*m[o^]l"[-o]*j[y^]), n. [Gr. "orismo`s a marking out by boundaries, the definition of a word + -logy. See Horizon.] That department of natural history which treats of technical terms; the science of defining technical terms. [1913 Webster]