ros·ter ( P ) Pronunciation Key (rstr, rôstr) n. A list, especially of names. A list of the names of military officers and enlisted personnel enrolled in a particular unit. ——————————————————————————– [Dutch rooster, gridiron, roster (from the ruled paper used for a roster), from roosten, to roast.] Word History: If we associate the roster of a football team with the word gridiron, it is not because the team's roster has the appearance of a football field. But etymologically at least a...