Definition of knack. 1  1 : a special ready capacity that is hard to analyze or teach. 2  2a : a clever trick or stratagemb : a clever way of doing something. 3  3 archaic : an ingenious device; broadly : toy, knickknack.
Medical Definition of gingivoplasty. plural. gingivoplasties. : a surgical procedure that involves reshaping the gums for aesthetic or functional purposes.
The noun GINGIVA has 1 sense: 1. the tissue (covered by mucous membrane) of the jaws that surrounds the bases of the teeth. Familiarity information: GINGIVA used as a noun is very rare.he noun GINGIVA has 1 sense: 1. the tissue (covered by mucous membrane) of the jaws that surrounds the bases of the teeth. Familiarity information: GINGIVA used as a noun is very rare.