cons
noun
1. plural of con
2. (computing) A data structure in LISP that is a pair of pointers, car and cdr, used mainly for lists.
verb
1. (computing) To obtain a list from a cons or a nesting of conses; to prepend an element to a list by forming a cons of that element and the list; to obtain a list from a smaller one by repeated application of such kind of prepending.
2. third-person singular simple present indicative form of con