Dictionary definitions
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upthrow
From The Collaborative International Dictionary of English v.0.48:
Upthrow \Up*throw"\, v. t. To throw up. --Drayton. [1913 Webster] .
From The Collaborative International Dictionary of English v.0.48:
Upthrow \Up"throw`\, n. (Mining) See Throw, n., 9. [1913 Webster]

