The Collaborative International Dictionary of English v.0.48:

garand \garand\ n. [From the inventor, John C. Garand.]
   A semiautomatic rifle, also called the M-1, used by
   soldiers of the U. S. army in World War II and Korea. It was
   the standard weapon issued to infantrymen.

   Syn: Garand rifle, M-1, M-1 rifle.
        [WordNet 1.5 +PJC]

WordNet (r) 3.0 (2006):

Garand
    n 1: a semiautomatic rifle [syn: Garand rifle, Garand,
         M-1, M-1 rifle]