- grenadier, grenade thrower - an infantryman equipped with grenades
--1 is a kind of infantryman, marcher, foot soldier, footslogger
- grenadier, rattail, rattail fish - deep-sea fish with a large head and body and long tapering tail
--2 is a kind of gadoid, gadoid fish
--2 is a member ofMacrouridae, family Macrouridae, Macruridae, family Macruridae