What is the meaning of heat?

noun

• A form of energy that is transferred by a difference in temperature.
  • synonyms: heat energy
• The presence of heat.
  • synonyms: hotness, high temperature
• The sensation caused by heat energy.
  • synonyms: warmth
• The trait of being intensely emotional.
  • synonyms: warmth, passion
• Applies to nonhuman mammals: a state or period of heightened sexual arousal and activity.
  • synonyms: estrus, oestrus, rut
• A preliminary race in which the winner advances to a more important race.
• Utility to warm a building.
  • usage: "the heating system wasn't working"; "they have radiant heating"
  • synonyms: heating system, heating plant, heating

verb

• Make hot or hotter.
  • usage: "the sun heats the oceans"; "heat the water on the stove"
  • synonyms: heat up
• Provide with heat.
  • usage: "heat the house"
• Arouse or excite feelings and passions.
  • usage: "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"
  • synonyms: inflame, stir up, wake, ignite, fire up
• Gain heat or get hot.
  • usage: "The room heated up quickly"
  • synonyms: hot up, heat up