(mathematics) A set which contains any convex combination of any (finite) subset of its points.

A drum kit

Set deeply below a surface, as on a face. / (figuratively) firmly in place; long-standing

Third-person singular simple present indicative form of set fire

present participle of set on fire

Third-person singular simple present indicative form of set on fire

present participle of set fire

Third-person singular simple present indicative form of set apart

present participle of set apart

(US, idiomatic, countrified dialect) To sit down for a period of time, especially in the company of other people and in order to relax or to engage in casual conversation.