Brash

1. n. Broken fragments of ice.
2. a. Hasty in temper; impetuous.
3. a. Brittle, as wood or vegetables.
4. n. A rash or eruption; a sudden or transient fit of sickness.
5. n. Refuse boughs of trees; also, the clippings of hedges.
6. n. Broken and angular fragments of rocks underlying alluvial deposits.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.