† bequarreObs. [a. OF.béquarre, mod.F. bécarre (=Lat.B quadratum): see bemol.] Mus. Old name for the note B♮. See B II. 1. a1350Song in Rel.Ant. I. 292 Thu bitist a-sonder bequarre, for bemol i the blame.1806J. W. Callcott Mus.Gram. v. 57 note, The French call the Natural Bequarre.