cooperator

n : an associate who works with others toward a common goal

[syn: {collaborator}, {partner}, {pardner}]

operator

A symbol used as a {function}, with {infix

syntax} if it has two arguments (e.g. ":") or {prefix syntax} if

it has only one (e.g. {Boolean} NOT). Many languages use

operators for built-in functions such as arithmetic and logic.

(1995-04-30)