Webster’s Revised Unabridged Dictionary · 1913
Prolong
Pro·long′ (prō·lŏng′; 115), v. t. [imp. & p. p. Prolonged; p. pr. & vb. n. Prolonging.] [F. prolonger, L. prolongare; pro before, forth + longus long. See Long, a., and cf. Prolongate, Purloin. ]
1. To extend in space or length; as, to prolong a line.
2. To lengthen in time; to extend the duration of; to draw out; to continue; as, to prolong one's days.
Prolong awhile the traitor's life. Shak.
The unhappy queen with talk prolonged the night. Dryden.
3. To put off to a distant time; to postpone. Shak.