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Crayfish vs Undefined - What's the difference?

crayfish | undefined |

As a noun crayfish

is (new england|michigan|wisconsin|minnesota) a freshwater crustacean () resembling a small lobster, sometimes used as an inexpensive seafood or as fish bait.

As an adjective undefined is

lacking a definition or value.

crayfish

English

(wikipedia crayfish)

Alternative forms

* (l) * (l), (l), (l) (obsolete) * (l), (l), (l) (obsolete)

Noun

(en-noun)
  • (New England, Michigan, Wisconsin, Minnesota) A freshwater crustacean () resembling a small lobster, sometimes used as an inexpensive seafood or as fish bait.
  • (AU, NZ, South Africa) A rock lobster.

    • Usage notes

    The term crayfish'' predominates in the region of New England and in New York, Pennsylvania Michigan, Wisconsin and Minnesota. In much of the United States—in the South, especially in Louisiana and Texas; in the Midwest and in the West—''crawfish'' predominates. In a belt stretching across Kentucky through Missouri, Arkansas, Kansas and Oklahoma, and in Oregon and northern California, the term ''crawdad predominates.[http://spark-1590165977.us-west-2.elb.amazonaws.com/jkatz/SurveyMaps/]

    Synonyms

    * (freshwater crustaceans) crawdad, crawfish, mudbug, yabby (Australia)

    See also

    * lobster * prawn * shrimp * yabby

    References

    South African English

    undefined

    English

    Adjective

    (wikipedia undefined) (-)
  • Lacking a definition or value.
  • (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
    • The result of division by zero is undefined .

    Antonyms

    * defined