GNU Collaborative International Dictionary of English

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1.       
   Rounce (rouns), n. [Cf. F. ronce bramble, brier, thorn, ranche a round, step, rack, or E. round.] (Print.) The handle by which the bed of a hand press, holding the form of type, etc., is run in under the platen and out again; -- sometimes applied to the whole apparatus by which the form is moved under the platen.
   
   [1913 Webster]