n.
The behavior, dress, or other indication of a fop; coxcombry; affectation of show; showy folly. →
a.
Declining from a better to a worse state; as, a retrograde people; retrograde ideas, morals, etc. →
a.
Characterizing or pertaining to chords and keys, which, by reason of the identify of some of their tones, admit of a natural transition from one to the other. →
n.
Hence, a line of junction; a joint; a suture, as on a ship, a floor, or other structure; the line of union, or joint, of two boards, planks, metal plates, etc. →