(slang) Amazing; excellent.

(idiomatic, transitive) To motivate or encourage (someone) to start sooner or move faster.

(firefighting) A vehicle used by firefighters to pump water to fight a fire. Typically, a fire engine carries a supply of water and has the ability to connect to an external water supply.

A ball of fire, especially one associated with an explosion. / (astronomy) A meteor bright enough to cast shadows. / (figuratively) A feisty, strong-willed person.

(intransitive) To explode in a ball of flame. / (baseball) To pitch the ball very fast. / (transitive, fantasy) To attack with balls of fire.

The ordinal form of the number eighty-one, describing a person or thing in position number 81 of a sequence.

One of eighty-one equal parts of a whole.

The ordinal form of the number hundred one.

The person or thing in the hundred-first position. / One of a hundred one equal parts of a whole.

The ordinal form of the number twenty-one.