sprag Meaning, Definition & Usage

  1. noun a chock or bar wedged under a wheel or between the spokes to prevent a vehicle from rolling down an incline
  2. noun a wooden prop used to support the roof of a mine
    pitprop.

WordNet

Sprag noun
Etymology
Cf. Icel. spraka a small flounder.
Definitions
  1. (Zoöl.) A young salmon. Prov. Eng.
Sprag noun
Etymology
See Spray a branch.
Definitions
  1. A billet of wood; a piece of timber used as a prop.
Sprag transitive verb
Wordforms
imperfect & past participle Spragged ; present participle & verbal noun Spragging
Definitions
  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 adjective
Definitions
  1. See Sprack, a. Shak.

Webster 1913