What is Grenadier?
Grenadier definition and meaning on Dictionary terms:
(in the British army) a member of the first regiment of household infantry (Grenadier Guards).
(formerly) a specially selected foot soldier in certain elite units.
(formerly) a soldier who threw grenades.
Also called rat-tail, rat tail. any of several deep-sea fishes of the family Macrouridae, having an elongated, tapering tail.