Meaning of PT boat

PT boat

Pronunciation: [key]
— U.S. Mil. U.S. Mil.
  1. a small, fast, lightly armed, unarmored, and highly maneuverable boat used chiefly for torpedoing enemy shipping. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also: