·Impf & ·p.p. of Spend.
II. Spent ·adj Exhausted; worn out; having lost energy or motive force.
III. Spent ·adj Exhausted of spawn or sperm;
— said especially of fishes.
From expend: said of a mast broken by accident, in contradistinction to one shot away. ...
The Sailor's Word-Book
A shot that has lost its penetrative velocity, yet capable of inflicting grave injury as long as it ...