·adj ·see Sprack, ·adj.
II. Sprag ·noun A young salmon.
III. Sprag ·vt To prop or sustain with a sprag.
IV. Sprag ·noun A billet of wood; a piece of timber used as a prop.
V. Sprag ·vt To check the motion of, as a carriage on a steep grade, by putting a sprag between the spokes of the wheel.