Fire"ball`, n. Ball, or globular,
lightning.
Fire"ball` (?), n. (a)
(Mil.) A ball filled with powder or other combustibles,
intended to be thrown among enemies, and to injure by explosion;
also, to set fire to their works and light them up, so that movements
may be seen. (b) A luminous meteor,
resembling a ball of fire passing rapidly through the air, and
sometimes exploding.
Fire"ball`, n. Ball, or globular,
lightning.