Dictionary
ex•ca•va•tor
Pronunciation: (eks'ku-vā"tur), [key]—
n.
1. a person or thing that excavates.
2. a power-driven machine for digging, moving, or transporting loose gravel, sand, or soil.
3. a sharp, spoonlike instrument used for scraping out diseased tissue, as in dentistry.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.