(euphemistic) Genitals and female nipples.

(idiomatic) Mostly; in general; usually

(acting) A minor role, generally not assigned a name.

plural of part of speech

Someone who is employed, or does something, part-time / (cricket) A part-time bowler

For, during, or involving less than the normal time for some activity, especially the number of hours an employee works.

An integral or essential piece; that which must be done or accepted as part of something else.

(anatomy) Any part of an animal organism, such as an organ, limb or extremity. / Any part of the body of a vehicle.

A component of any manufactured goods, kept in reserve to replace one that fails; a spare.

plural of bit part