Spent \Spent\ (sp[e^]nt), a.

1. Exhausted; worn out; having lost energy or motive force.

Now thou seest me Spent, overpowered, despairing of success. --Addison.

Heaps of spent arrows fall and strew the ground. --Dryden.

2. (Zo["o]l.) Exhausted of spawn or sperm; -- said especially of fishes.

Spent ball, a ball shot from a firearm, which reaches an object without having sufficient force to penetrate it.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Spend \Spend\, v. t. [imp. & p. p. Spent; p. pr. & vb. n. Spending.]

[AS. spendan (in comp.), fr. L. expendere or dispendere to weigh out, to expend, dispense. See Pendant, and cf. Dispend, Expend, Spence, Spencer.]

1. To weigh or lay out; to dispose of; to part with; as, to spend money for clothing.

Spend thou that in the town. --Shak.

Wherefore do ye spend money for that which is not bread? --Isa. lv. 2.

Source: Webster's Revised Unabridged Dictionary (1913)