Sand box

(redirected from sand jack)
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A box with a perforated top or cover, for sprinkling paper with sand
A box carried on locomotives, from which sand runs on the rails in front of the driving wheel, to prevent slipping.

See also: Sand, Sand

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
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References in periodicals archive ?
An apparent lack of concrete coating allowed for this buried pipeline to sand jack to the surface.
Not only had I never seen the sand grouper, the sand jack or the puffer fish, I'd never clapped eyes on the mesmeric colours of these dazzling fish.
They were then lowered gently into place using sand jacks which gave the contractors great control over the big, bulky operation.