n. An electric generator which produces alternating current through mechanical means.
the GNU version of the Collaborative International Dictionary of English
n. An electric generator or dynamo for producing alternating currents.
The Century Dictionary and Cyclopedia
n. See alternater.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. an old term for an electric generator that produces alternating current (especially in automobiles)
Word Usage
"When the driver presses the accelerator pedal again, the clutch between the engine and the starter-alternator is closed, causing the still turning flywheel to restart the engine without consuming any electrical current."