Used as bait by anglers

• Often surfaces when the ground is cool or wet
• Wriggler on a hook
• Terrestrial worm that burrows into and helps aerate soil

Wikipedia Word definitions in Wikipedia
Nightcrawler ( Kurt Wagner ) is a fictional superhero appearing in American comic books published by Marvel Comics , commonly in association with the X-Men . Created by writer Len Wein and artist Dave Cockrum , he debuted in the comic book Giant-Size X-Men ...

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
nightcrawler \nightcrawler\ n. A terrestrial worm that burrows into and helps aerate soil; an earthworm. It often surfaces when the ground is cool or wet, and is used as bait by anglers. The term is used mostly in the northern and western U. S. Syn: earthworm, ...

Wiktionary Word definitions in Wiktionary
n. 1 An earthworm of the species (taxlink Lumbricus terrestris species noshow=1), known for its large size and nocturnal surfacings. 2 (context chiefly Northern US Western US English) More generally, any arbitrarily large earthworm, especially those favored ...