Definition of crawler in English:

crawler

Syllabification: crawl·er
Pronunciation: /ˈkrôlər
 
/

noun

1A thing that crawls or moves at a slow pace, especially an insect.
More example sentences
  • All stages of the insect, except the crawler and the adult male, secrete a covering that lies over its dorsum for protection.
  • An insecticide can be used to kill crawlers once they are detected.
  • Contact insecticide sprays will not reach crawlers that have settled under old scales.
1.1 (in full crawler tractor) A tractor or other vehicle moving on an endless caterpillar track.
More example sentences
  • Table 4 gives examples of time needed to clear land using two different sizes of crawler tractors.
  • An example of a ‘group’ linked cost is the cost of providing crawler lanes for heavy vehicles.
  • The crawler lane is intended to be a safety feature.
2 Computing A program that systematically browses the World Wide Web in order to create an index of data.
More example sentences
  • Search engine crawlers will crawl web pages periodically for updated contents.
  • Might search engines employing crawlers drop free listings altogether to concentrate on paid inclusion programs?
  • Wouldn't it be nice to be able to leave some code in your web site to tell the search engine spider crawlers to make your site number one?

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Word of the day grammarian
Pronunciation: grəˈmɛːrɪən
noun
a person who studies and writes about grammar