Sprag (?), n. [Cf. Icel. spraka a
small flounder.] (Zoöl.) A young salmon. [Prov.
Eng.]
Sprag, n. [See Spray a branch.]
A billet of wood; a piece of timber used as a prop.
Sprag, v. t. [imp. & p.
p. Spragged (?); p. pr. & vb. n.
Spragging (?).] 1. To check the motion of,
as a carriage on a steep grade, by putting a sprag between the spokes
of the wheel. R. S. Poole.
2. To prop or sustain with a sprag.
Sprag, a. See Sprack,
a. Shak.