horsehair worm

noun

any long, slender worm of the phylum Nematomorpha, developing parasitically on insects and crustaceans, and free-living as adults in streams and ponds.
Also called gordian worm, nematomorph.

Origin of horsehair worm

First recorded in 1745–55

Words nearby horsehair worm

horseflesh, horsefly, horsehair, horsehair fungus, horsehair toadstool, horsehair worm, horsehair-blight fungus, horsehead, horsehead nebula, horsehide, horselaugh

British Dictionary definitions for horsehair worm

horsehair worm

noun

another name for hairworm (def. 2)