What is the meaning of Roll_call?

The reading aloud of a list of names, and subsequent responses, in order to determine who is present or absent.

1. Such an event in a legislative body in order to determine if a quorum exists.
2. The time of day fixed for such an event.

Such an event in a legislative body in order to determine if a quorum exists.

The time of day fixed for such an event.

The subset of those members of a specific group who are present or available out of the full set of all the members of said group.

To read aloud from a list of names, in order to determine who is present or absent.

Source: wiktionary.org