n. 1. a. A member of the British Grenadier Guards, the first regiment of the royal household infantry. b. A soldier who is a member of a special corps or regiment. c. A soldier equipped with grenades. 2. Any of various deep-sea fishes of the family Macrouridae, having a long tapering tail and lacking a tail fin. Also called rat-tail. [French, from grenade, grenade; see GRENADE.] |
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