Definition of "crayfish" [cray•fish]

• Any of various freshwater crustaceans of the genera Cambarus and Astacus, resembling a lobster but considerably smaller. Also called mudbug; also called regionally crawdad. (noun)
• See spiny lobster. (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.

• "The rattle rap in crayfish color is great in crayfish waters for smallies, so I've found."
• "Depending on the student, eating crayfish is either a perk of the job or a curse — "a negative-calorie operation," according to Tim Kratz, director of the research station — because of the energy it takes to pick and prod for the morsels of meat."
• "Gretchen Hansen Depending on the student, eating crayfish is either a perk of the job or the bane -- "a negative calorie operation," according to some -- because of the amount of energy it takes to pick and prod f or the morsels of meat."