in a bristling state: an angry dog with its hairs abristle.
Origin of abristle
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for abristle
Historical Examples of abristle
Ruff abristle, head down, snowy fangs glinting from under his upwrithing lip, young Jeff flew to meet him like a fluffy catapult.Buff: A Collie and other dog-stories
Albert Payson Terhune