grenadier

noun

• 1 historical a soldier armed with grenades.
• (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

• 3a reddish-brown African waxbill with a red bill and a bright blue rump.

  • Genus Uraeginthus, family Estrildidae: the common grenadier (U. granatina), with violet cheeks, and the purple grenadier (U. lanthinogaster), with a blue belly