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excavator

[eks-kuh-vey-ter]
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noun
  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.
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Origin of excavator

First recorded in 1805–15; excavate + -or2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for excavator

Contemporary Examples

Historical Examples

  • Of course Dr. Munro nowhere suggests that any excavator is the guilty “faker.”

  • These have as yet been untouched by the spade of the excavator.

  • At one time the male, at another the female, is the excavator.

  • Intuitively that excavator's sense of his defined the direction.

    The Fortieth Door

    Mary Hastings Bradley

  • No doubt there is frequently new material discovered; the excavator may in a month's digging find stuff for years of speculation.

    Problems in Greek history

    John Pentland Mahaffy


British Dictionary definitions for excavator

excavator

noun
  1. a powered machine for digging earth, gravel, sand, etc, esp a caterpillar tractor so equipped
  2. any person, animal, or thing that excavates
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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

excavator in Medicine

excavator

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