grenadier

noun

• 1a soldier armed with grenades or a grenade launcher.
• (Grenadiers or Grenadier Guards) (in the UK) the first regiment of the royal household infantry.

• 2a common bottom-dwelling fish with a large head, a long tapering tail, and typically a luminous gland on the belly. Also called rat-tail.

  • Family Macrouridae: numerous genera and species