From the Common Lisp Hyperspec: cons n.v. 1. n. a compound data object having two components called the car and the cdr. 2. v. to create such an object. 3. v.

From the Common Lisp Hyperspec: cons n.v. 1. n. a compound data object having two components called the car and the cdr. 2. v. to create such an object. 3. v. Idiom. to create any object, or to allocate storage.