bayonet hair

[ bāə-nĭt, -nĕt′, bā′ə-nĕt ]

n.

Hair that is spindle-shaped at its tapered ends because of a developmental defect.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.