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.
Freebase (0.00 / 0 votes) Rate this definition: Lingual frenectomy. A lingual frenectomy is a form of frenectomy associated with the tongue. The removal of the lingual frenulum under the tongue can be accomplished with either frenectomy or frenuloplasty. This is used to treat a tongue tied patient.