Crotchet

(kroch'et.) [Fr. crochet, a little hook.] (Mus.) Half a minim, or the fourth part of a semibreve; thus, -(Print.) This mark [ ], to separate what is not or an e ential part of the sentence.-(Fortif.) An aperture in the glacis ofa covered way.-(Mil.) Disposition of troops in parallel order to the line of battle. [s. 247]