Definition of "night crawler" []

• Any of various large earthworms that crawl out from the ground at night and are often used as fish bait. Also called nightwalker. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "I saw it after a minute or two, a tiny wormlike creature, not some fat night crawler or chubby grub, but something long and very thin squirming on the surface of the dark water."