fireball

1. A ball of fire, especially one associated with an explosion, or (fiction, mythology) thrown as a weapon.
2. A feisty, strong-willed person. (figuratively, informal)
3. Synonym of fastball (“a high-speed pitch of a baseball”). (figuratively)
4. A bright glow caused by a spacecraft re-entering an atmosphere.
5. A meteor bright enough to cast shadows; a bolide.
6. A class of sailing dinghy with a single trapeze and a symmetrical spinnaker, sailed by a crew of two.
7. A bag or ball filled with combustible material which is thrown as a weapon or to set something alight.
8. A charge depicting a disc-shaped bombshell with flames emitted from the top, or sometimes from the top, bottom, and on either side.

Plural fireballs