One that crawls, especially an early form of certain insect larvae.(noun)
A vehicle, such as a bulldozer, that moves on continuous belts of metal plates.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "crawler" in a sentence
"The behavior of the everest crawler is regrettable."
"The smart crawler is to be free software under the GNU General Public License (GPL)."
"At 10: 36 p.m. PDT, Google's "crawler" -- the technology that finds Web pages -- discovered a new link on the Web site of Tribune's South Florida Sun-Sentinel newspaper in a section called "Popular Stories: Business.""