Expend \Ex*pend"\, v. t. [imp. & p. p. Expended; p. pr. & vb. n. Expending.]

[L. expendere, expensum, to weigh out, pay out, lay out, lay out; ex out + pendere to weigh. See Poise, and cf. Spend.]

To lay out, apply, or employ in any way; to consume by use; to use up or distribute, either in payment or in donations; to spend; as, they expend money for food or in charity; to expend time labor, and thought; to expend hay in feeding cattle, oil in a lamp, water in mechanical operations.

If my death might make this island happy . . . I would expend it with all willingness. --Shak.

Source: Webster's Revised Unabridged Dictionary (1913)