Crayfish, also known as crawfish, crawdads, freshwater lobsters, or mudbugs, are freshwater crustaceans resembling small lobsters, to which they are related; taxonomically, they are members of the superfamilies Astacoidea and Parastacoidea.rayfish, also known as crawfish, crawdads, freshwater lobsters, or mudbugs, are freshwater crustaceans resembling small lobsters, to which they are related; taxonomically, they are members of the superfamilies Astacoidea and Parastacoidea.
â¢ CHORE (noun) The noun CHORE has 1 sense: 1. a specific piece of work required to be done as a duty or for a specific fee. Familiarity information: CHORE used as a noun is very rare.
An institution within or associated with a college or university that gives instruction in a specialized field and recommends candidates for degrees. c. A division of an educational institution constituting several grades or classes: advanced to the upper school.chool. 1. used as countable nouns. In both British and American English, a school is a place where children are educated, and a university is a place where students study for degrees. The village had a church and a school. Heidelberg is a very old university.