Dictionary entry

Limber (2)

Webster's Dictionary 1913

Lim″ber, v. t. [imp. & p. p.Limbered (–bẽrd); p. pr. & vb. n.Limbering.] (Mil.) To attach to the limber; as, to limber a gun.

To limber up, to change a gun carriage into a four-wheeled vehicle by attaching the limber.