Used as bait by anglers

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

Wikipedia Word definitions in Wikipedia
Nightcrawler or nightcrawlers may refer to:

WordNet Word definitions in WordNet
n. terrestrial worm that burrows into and helps aerate soil; often surfaces when the ground is cool or wet; used as bait by anglers [syn: earthworm , angleworm , fishworm , fishing worm , wiggler , nightwalker , crawler , dew worm , red worm ]

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, ...