Definitions
1.verbTo cause an increase in temperature of (an object or space); to cause to become hot (often with "up")."I'll heat up the water."
2.verbTo become hotter."There's a pot of soup heating on the stove."
3.verbTo excite or make hot by action or emotion; to make feverish.
4.verbTo excite ardour in; to rouse to action; to excite to excess; to inflame, as the passions.
5.verbTo arouse, to excite (sexually)."The massage heated her up."
6.nounA system that raises the temperature of a room or building. Compare heater.
7.nounThe act of making something hot."The crucible was subjected to several heatings."
8.adjectiveCausing heat.