plural of fippenny bit

(obsolete, US, Pennsylvania region) The Spanish half real, or one sixteenth of a dollar.

plural of canon bit

(obsolete, rare) The part of a bit which is put in a horse's mouth.

(informal) To fall apart.

(idiomatic) Exactly, to its full degree

(physics) A normalized linear combination of an "up" state and a "down" state for, say, the spin of an electron.

A bit designed to prevent a horse from lifting the head when rearing.

plural of rearing bit

A boring bit shaped like a gouge.