My family and I had a ton of fun hiking part of the Narrows in August thanks to two important decisions: 1) Starting early enough to beat the crowds - We started out around 8am and there weren't too many other people in the river.
a series of names or other items written or printed together in a meaningful grouping or sequence so as to constitute a record: a list of members. list price.
Freebase (0.00 / 0 votes) Rate this definition: Roster. A roster is a list of names of people involved with some organization or assignment. It can be a list of people and additional information, like the times when they are required to work or a list of students in a classroom. The term roster is often used to describe participants of an event.