A halting or limping.
1. To press together; to crowd; to straiten; to confine closely. [Obs.] Bacon. 2. To restrain; to confine. [Obs.] Ayliffe. Pressed together; closely connected; -- applied to insects having the abdomen separated from the thorax only by a constriction. Coarctate pupa (Zoöl.), a pupa closely covered by the old larval skin, as in most Diptera.