v.
1. tr. (often foll. by between) place or insert (a thing) between others.
2 tr. say (words) as an interruption.
3 tr. exercise or advance (a veto or objection) so as to interfere.
4 intr. (foll. by between) intervene (between parties).
Etymology: F interposer f. L interponere put (as INTER-, POSE(1))