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The Collaborative International Dictionary
Pumicate

Pumicate \Pu"mi*cate\, v. t. [imp. & p. p. Pumicated; p. pr. & vb. n. Pumicating.] [L. pumicatus, p. p. of pumicare to pumicate, fr. pumex. See Pumice.] To make smooth with pumice. [R.]

Wiktionary
pumicate

vb. (context transitive English) To make smooth with pumice.