crawler

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• Rhymes: -ɔːlə(r)

From crawl (“act in a servile manner”) +‎ -er (“suffix forming agent noun”).

From the Australian convict period (1788-1850); a prisoner who was purposely and extensively abused by an overseer (also a convict) and thereby driven to escape but who, finding it impossible to survive in the Australian bush, surrenders to this overseer, who would then have his penal term reduced. The particular crawler was picked for his weak personality and might escape and return a number of times increasing his own penal term each time. According to James Tucker, some convict overseers had their sentences extensively reduced using this odious practice. Source-James Tucker's 1845 novel Ralph Rashleigh.

crawler (plural crawlers)

1. (Australia, obsolete) A person who is abused, physically or verbally, and returns to the abuser a supplicant.
2. (Britain, Australia, slang) A sycophant.

From crawl (“move slowly, by dragging the body along the ground”) +‎ -er (“suffix forming agent noun”).

Caterpillar D9 crawler tractor.

Cochineal (the crawler is on the left)

crawler (plural crawlers)

1. A child who is able to creep using his hands and knees but is not able to walk.
2. (sports) A crawl swimmer.
3. A tractor crawler, a motorized vehicle that uses caterpillar tracks instead of wheels.
4. A software bot that autonomously follows connected paths such as webpage links.
5. A mobile stage in the development of stationary hemipteran insects such as scale insects- generally the first instar

• recrawl

crawl +‎ -er

• IPA^(key): /kʁo.le/

crawler

1. (transitive, intransitive) to swim using the crawl stroke
2. (transitive, intransitive, Internet) to spider

• “crawler” in le Trésor de la langue française informatisé (The Digitized Treasury of the French Language).