heat (http://definr.com/heat)

     n 1: a form of energy that is transferred by a difference in
          temperature [syn: heat energy]
     2: the presence of heat [syn: hotness, high temperature]
        [ant: coldness]
     3: the sensation caused by heat energy [syn: warmth]
     4: intense passion or emotion [syn: warmth, passion]
     5: applies to nonhuman mammals: a state or period of heightened
        sexual arousal and activity [syn: estrus, oestrus, rut]
        [ant: anestrus]
     6: utility to warm a building; "the heating system wasn't
        working"; "they have radiant heating" [syn: {heating
        system}, heating plant, heating]
     v 1: make hot or hotter; "heat the soup" [syn: heat up] [ant: cool]
     2: provide with heat; "heat the house"
     3: arouse or excite feelings and passions; "The ostentatious
        way of living of the rich ignites the hatred of the poor";
        "The refugees' fate stirred up compassion around the
        world"; "Wake old feelings of hatred" [syn: inflame, {stir
        up}, wake, ignite, fire up]
     4: gain heat or get hot; "The room heated up quickly" [syn: {hot
        up}, heat up] [ant: cool]