v. 1 intr. & tr. turn or cause to turn round, esp. on an axis; rotate. 2 intr. move in a circular orbit. 3 tr. ponder (a problem etc.) in the mind. revolving credit credit that is automatically renewed as debts are paid off. revolving door a door with usu. four partitions turning round a central axis. revolvable adj.
[ ME f. L revolvere (as RE-, volvere roll) ]