• Caddr

    Pronunciation

    • IPA: /ˈkɑːdÉ™dÉ™/, /ˈkÉ‘dÉ™dÉš/

    Origin

    Contraction of car of the cdr of the cdr.

    Full definition of caddr

    Noun

    caddr

    (plural caddrs)
    1. (computing) Car of the cdr of the cdr in LISP. The third element in a list.
      • Matt Kaufmann, Panagiotis Manolios, and J Strother Moore, Computer-aided reasoning: an approach, 2000 :If we let x denote the tree (1 2 3), then the car of x is 1, the cdr of x is (2 3), the cadr of x is 2, the caddr of x is 3, and the cdddr of x is nil.
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