Entry 1 sense Webster, 1913 Labioplasty /(lā"bĭ*ō̇*plăs`ty̆)/ · La·bi·o·plas·ty · IPA 01 n. A plastic operation for making a new lip, or for replacing a lost tissue of a lip. 1. A plastic operation for making a new lip, or for replacing a lost tissue of a lip.(Surg.)