I met a group of pub crawlers last night.

Spider-Man is a famous wall-crawler.

The wall crawler climbed up the building.

A web crawler is a program that systematically browses the World Wide Web for the purpose of indexing web pages.

The crawler track is used for heavy machinery to move on.

The police arrested a curb crawler last night.

The crawler tracks on the bulldozer need to be replaced.

The highway has a dedicated crawler lane for slow-moving vehicles.

The ice crawler is a fascinating extremophile.

The construction site has multiple crawler lanes for heavy machinery.