bit part(n = noun.cognition) minor role - a small role;
is a kind of character, part, persona, role, theatrical role
has particulars: soubrette

a bit, after part, aliquant part, aliquot part, auto part, bar bit, bass part, bit, bit by bit, bit field, blade bit, body part, bore bit, brace and bit, canon bit, car part, center bit, centre bit, chamfer bit, check bit, complex body part, component part, core bit, countersink bit, cross bit, curb bit, drill bit, drilling bit, every bit, expansion bit, expansive bit, external body part, fifth part, fippenny bit, fishtail bit, fixed-point part, for the most part, fore part, fourth part, good part, imaginary part, imaginary part of a complex number, name part, not a bit, parity bit, part, part and parcel, part company, part music, part name, part of speech, part time, part to whole relation, part with, pilot bit, plant part, rock bit, roller bit, sixteenth part, snaffle bit, spade bit, spare part, take part, tenth part, the least bit, thirty-second part, twelfth part, twist bit, voice part, weak part, whole to part relation