Third-person singular simple present indicative form of overchallenge

(transitive) To provide (e.g. a room) with more, or new, seats. / (transitive) To seat (someone) again, to give somebody a different seat. / (intransitive, rare) To sit down again.

Tending towards mortification or gangrene.

An area or region governed by a chieftain. / (anthropology) A society larger than a tribe, but smaller or simpler than a state.