[ex.pend] vt [ME, fr. L expendere to weigh out, expend, fr. ex- + pendere to weigh--more at spin] (15c) 1: to pay out: spend "the social services upon which public revenue is ~ed --J. A. Hobson"
2: to make use of for a specific purpose: utilize "projects on which they ~ed great energy"; also: use up -- ex.pend.er n