Medical Dictionary
horsehair worm
noun horse·hair worm \-ˌha(ə)r-, -he(ə)r-\
Medical Definition of HORSEHAIR WORM
: any worm of the class or phylum Nematomorpha—called also gordiacean, horsehair snake
Seen & Heard
What made you want to look up horsehair worm? Please tell us where you read or heard it (including the quote, if possible).