hor·rip·i·la·tion (hô-rĭp′ə-lāshən, hŏ-)
The bristling of the body hair, as from fear or cold; goose bumps.
[Late Latin horripilātiō, horripilātiōn-, from Latin horripilātus, past participle of horripilāre, to bristle with hairs : horrēre, to tremble + pilāre, to grow hair (from pilus, hair).]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The American Heritage Dictionary Blog
Check out our blog, updated regularly, for new words and revised definitions, interesting images from the 5th edition, discussions of usage, and more.