n. 蚯蚓

[ noun ]
terrestrial worm that burrows into and helps aerate soil; often surfaces when the ground is cool or wet; used as bait by anglers
<noun.animal>

Angleworm \An"gle*worm`\, n. (Zo["o]l.)
A earthworm of the genus {Lumbricus}, frequently used by
anglers for bait. See {Earthworm}.

Earthworm \Earth"worm`\, n.
1. (Zo["o]l.) Any worm of the genus {Lumbricus} and allied
genera, found in damp soil. One of the largest and most
abundant species in Europe and America is {L. terrestris};
many others are known; -- called also {angleworm} and
{dewworm}.

2. A mean, sordid person; a niggard. --Norris.