<p><strong>Noun:</strong></p><ul><li>a representation, usually on a flat surface, as of the features of an area of the earth or a portion of the heavens, showing them in their respective forms, sizes, and relationships according to some convention of representation: a map of Canada.</li><li>Synonyms: diagram, outline, plan.</li><li>a maplike delineation, representation, or reflection of anything: The old man's face is a map of time.</li><li>Mathematics: function (def 4a).</li><li>Slang: the face: Wipe that smile off that ugly map of yours.</li><li>Genetics: genetic map.</li></ul><p><strong>Verb:</strong></p><ul><li>(used with object)</li><li>mapped, map·ping: to represent or delineate on or as if on a map.</li><li>to sketch or plan (often followed by out): to map out a new career.</li></ul>