from
The Collaborative International Dictionary of English v.0.48
Brash \Brash\, n. [See {Brash} brittle.]
1. A rash or eruption; a sudden or transient fit of sickness.
[1913 Webster]
2. Refuse boughs of trees; also, the clippings of hedges.
[Prov. Eng.] --Wright.
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3. (Geol.) Broken and angular fragments of rocks underlying
alluvial deposits. --Lyell.
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4. Broken fragments of ice. --Kane.
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{Water brash} (Med.), an affection characterized by a
spasmodic pain or hot sensation in the stomach with a
rising of watery liquid into the mouth; pyrosis.
{Weaning brash} (Med.), a severe form of diarrhea which
sometimes attacks children just weaned.
[1913 Webster]