Brash \Brash\, n. [See Brash brittle.]

1. A rash or eruption; a sudden or transient fit of sickness.

2. Refuse boughs of trees; also, the clippings of hedges. [Prov. Eng.]

--Wright.

3. (Geol.) Broken and angular fragments of rocks underlying alluvial deposits. --Lyell.

4. Broken fragments of ice. --Kane.

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.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Brash \Brash\, a. [Cf. Gael. bras or G. barsch harsh, sharp, tart, impetuous, D. barsch, Sw. & Dan. barsk.]

Hasty in temper; impetuous. --Grose.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Brash \Brash\, a. [Cf. Amer. bresk, brusk, fragile, brittle.]

Brittle, as wood or vegetables. [Colloq., U. S.]

--Bartlett.

Source: Webster's Revised Unabridged Dictionary (1913)