1
general::
Phrase(s): crawl across something [and] crawl along something
[for someone] to move across something on hands and knees; [for an insect or something similar] to walk across something. • The wounded officer had to crawl across the open area to get to safety. • The caterpillar crawled across the leaf and stopped at the end. • She crawled along the catwalk, fearing to look down.
McGrawhill's American Idioms And Phrasal Verbs