'Roster' definitions:

Definition of 'roster'

From: WordNet
noun
A list of names; "his name was struck off the rolls" [syn: roll, roster]

Definition of 'Roster'

From: GCIDE
  • Roster \Ros"ter\, n. [Perhaps a corruption of register; or cf. roll.] (Mil.) A register or roll showing the order in which officers, enlisted men, companies, or regiments are called on to serve. [1913 Webster]