plural of con

(programming) A data structure in Lisp that is a pair of pointers, car and cdr, used mainly for lists.

(programming) 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.

Third-person singular simple present indicative form of con

plural of CON

Abbreviation of constant. / Abbreviation of consultation. / Abbreviation of constable.

(rare) To study or examine carefully, especially in order to gain knowledge of; to learn, or learn by heart. / (rare, obsolete) To know; understand; acknowledge.

A disadvantage of something, especially when contrasted with its advantages (pros).

(slang) A convicted criminal, a convict.

(informal) A fraud; something carried out with the intention of deceiving, usually for personal, often illegal, gain.