Brash

Part of speech: noun (n.)

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. 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.

Part of speech: adjective (a.)

Hasty in temper; impetuous. Grose.

Part of speech: adjective (a.)

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