the GNU version of the Collaborative International Dictionary of English
n. A dynamo-electric machine.
The Century Dictionary and Cyclopedia
n. An abbreviation of dynamo-electric machine. See electric.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. generator consisting of a coil (the armature) that rotates between the poles of an electromagnet (the field magnet) causing a current to flow in the armature
Word Usage
"And standing atop that podium for the women's 5,000 meters in speedskating was a 22-year-old dynamo from the Czech Republic who also seems destined to be a history-maker."