Crotchet
CROTCHET, noun [See Crook.]
1. In printing, a hook including words, a sentence or a passage distinguished form the rest, thus [ ].
2. In music, a note or character, equal in time to half a minim, and double of a quaver.
3. A piece of wood resembling a fork, used as a support in building.
4. A peculiar turn of the mind; a whim, or fancy; a perverse conceit.
All the devices and crotchets of new inventions.