crawler

A child who is able to creep using its hands and knees but is not able to walk.

A crawl swimmer.

A tractor crawler, a motorized vehicle that uses caterpillar tracks instead of wheels.

A software bot that autonomously follows connected paths such as links between web pages.

Crawler-based search engines have three major elements. The first is the spider, also called the crawler, which visits a web page, reads it, and then follows links to other pages within the site.

These serve as an algorithmic way to judge the “mobileness” of a site, and similar algorithms are likely to be used by the search crawlers.

A mobile stage in the development of stationary hemipteran insects such as scale insects—generally the first instar.

A person who is abused, physically or verbally, and returns to the abuser a supplicant.

A sycophant.