the part of a key that engages the tumblers to activate the lock

present participle of bit / present participle of bitt

plural of bitting

A surname.

plural of Bitting

A small amount at a time

(cycling) Riding in a paceline.

(computing) The architecture of a computer system or program in terms of how many bits (binary digits) compose the basic values it can evaluate.

plural of bitness

(informal) To a small extent; in a small amount. / (informal) Slightly; rather. / (UK, meiosis) Very. / (UK, meiosis) A lot.