cadr

Contraction of car of the cdr.

• IPA^(key): /ˈkɑːdə/, /ˈkɑdɚ/, /ˈkeɪdə/, /ˈkeɪdɚ/

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cadr (plural cadrs)

1. (programming) Car of the cdr in Lisp. The second element in a list.
   • 2000, Matt Kaufmann, Panagiotis Manolios, J. Strother Moore, Computer-Aided Reasoning: An Approach:

     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.

• caddr

• Card, DARC, Drac, card