1. the calling of a list of names, as of soldiers or students, for checking attendance.
2. a military signal for this, as one given by a drum.
3. a voting process, esp. in the U.S. Congress, in which legislators are called on by name and allowed either to cast their vote or to abstain.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.