(historical, US, automotive) An early mechanism that synchronized the speeds of gear wheels when changing gear in an automobile.

a chamber, heated by a fire, used for drying

(obsolete) an impetuous, fiery person; a hothead

(US, slang) The electric chair

A drink of hot spirits and water

(dated) embarrassing

(Canada, US) A more intensive form of "damn".

A relatively low-powered kitchen appliance used in lieu of a proper stove. / A hotplate. / A stove with a hot element. / (figuratively, by extension) Any potentially harmful situation.

(Australia, New Zealand) french fries.

(planetology) An exosolar planet whose characteristics are similar to Jupiter, but which orbits its parent star much more closely and thus has higher temperatures.