Pronunciation: (dē),[key] —n. 1. a metal loop attached to tack, for fastening gear: to hang wire cutters from a dee on a saddle. 2. Physics.a hollow electrode for accelerating particles in a cyclotron.
Pronunciation: (dē),[key] —n. 1. John, 1527–1608, English mathematician and astrologer.
2. a river in NE Scotland, flowing E into the North Sea at Aberdeen. 90 mi. (145 km) long.
3. a river in N Wales and W England, flowing E and N into the Irish Sea. ab. 70 mi. (110 km) long.
4. a male or female given name.