Dictionary.net

• terrestrial worm that burrows into and helps aerate soil; often surfaces when the ground is cool or wet; used as bait by anglers

2006 - WordNet 3.0
By Princeton University

• terrestrial worm that burrows into and helps aerate soil; often surfaces when the ground is cool or wet; used as bait by anglers

2011 - English Dictionary Database
By DataStellar Co., Ltd