Meaning of “crawl” - Learner’s Dictionary

crawl

verb uk us /krɔːl/
PERSON [ I ]

B2 to move on your hands and knees:

I crawled under the desk to plug the lamp in.
ANIMAL [ I ]

If an insect crawls, it uses its legs to move:

There's an ant crawling up your leg.
TRAFFIC [ I ]

If traffic crawls, it moves extremely slowly:

We were crawling along at 10 miles per hour.
TRY TO PLEASE [ I ] UK informal

to try to please someone because you want them to like you or help you:

My brother is always crawling to Mum.
be crawling with sb/sth

to be full of insects or people in a way that is unpleasant:

The kitchen's crawling with ants.

(Definition of “crawl verb” from the Cambridge Learner’s Dictionary © Cambridge University Press)