/ros"teuhr/ , n.
1. a list of persons or groups, as of military personnel or units with their turns or periods of duty.
2. any list, roll, or register: a roster of famous scientists; a roster of coming events.
[ 1720-30; rooster list, roster, lit., gridiron, in reference to the ruled paper used, equiv. to roost ( en ) to ROAST + -er -ER 1 ]
Syn. 1, 2. listing, slate, panel, record.