[ eks-kuh-vey-ter ]
/ ˈɛks kəˌveɪ tər /


a person or thing that excavates.
a power-driven machine for digging, moving, or transporting loose gravel, sand, or soil.
a sharp, spoonlike instrument used for scraping out diseased tissue, as in dentistry.


Origin of excavator

First recorded in 1805–15; excavate + -or2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for excavator

British Dictionary definitions for excavator


/ (ˈɛkskəˌveɪtə) /


a powered machine for digging earth, gravel, sand, etc, esp a caterpillar tractor so equipped
any person, animal, or thing that excavates
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for excavator


[ ĕkskə-vā′tər ]


An instrument, such as a sharp spoon or curette, used in scraping out pathological tissue.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.