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Checker vs Undefined - What's the difference?

checker | undefined |

As a noun checker

is one who checks something or checker can be a playing piece in the game of checkers (british: draughts) or checker can be the fruit of the wild service tree or chequer tree,.

As a verb checker

is to mark in a pattern of alternating light and dark spots, like a checkerboard.

As an adjective undefined is

lacking a definition or value.

checker

English

Alternative forms

* chequer

Etymology 1

Noun

(en noun)
  • One who checks something.
  • The clerk who tallies cost of purchases and accepts payment.
    • ''There was a long line at the grocery store because the checker was so slow.

    Etymology 2

    Noun

    (en noun)
  • A playing piece in the game of checkers (British: draughts).
    • Derived terms
    * checkerboard
    Related terms
    * exchequer

    Verb

    (en verb)
  • To mark in a pattern of alternating light and dark spots, like a checkerboard.
  • To develop markings in a pattern of alternating light and dark spots, like a checkerboard.

    • Etymology 3

    Alteration of (chequer)

    Noun

    (en noun)
  • The fruit of the wild service tree or chequer tree,
    • Usage notes
    * Almost always spelled chequer, because the tree itself is native to areas where that spelling is used, and is pretty much unknown in areas that use the other spelling.
    Derived terms
    * checkerberry

    Anagrams

    * ----

    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