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.
âClitoromegalyâ is a medical term meaning that the clitoris has grown larger than is typical in girls. Sometimes clitoromegaly happens during fetal development because of a DSD, so that a girl is born with a large clitoris.