(idiomatic, intransitive, with "in") To participate or join. / (idiomatic) To share or partake. / (dated) To support or ally oneself (with).

(grammar) A linguistic category of words sharing syntactic or morphological behaviour and semantic properties, such as noun or verb.

(complex analysis) Of a complex number a + bi, where a and b are real numbers, the value b.

(complex analysis) Of a complex number a + bi, the value a.

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.

(idiomatic) Mostly; in general; usually

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

hairstyle where the hair is separated down the middle.

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