a species of heather, native to western and central Europe, Erica cinerea; bell heather

In a heated manner.

The state of being heathen. / From one religion's or creed's perspective, the rest of the world that does not follow that creed or religion.

(archaic) Heathen.

(archaic) third-person singular simple present indicative form of heat

(archaic) second-person singular simple present form of heat

(chiefly attributive) Anything ingenious (and often complex) but absurdly impractical or even useless.

A device for supplying domestic hot water in which a thermostatically-controlled heating element is immersed within a tank of water

plural of water heater

(slang, archaic) A farm animal, particularly a wild pony, kept to graze on the heath, particularly associated with Wessex.