Verb
1. move slowly; in the case of people or animals with the body near the ground;
"The crocodile was crawling along the riverbed"2. to go stealthily or furtively;
"..stead of sneaking around spying on the neighbor's house"3. grow in such a way as to cover (a building, for example);
"ivy grew over the walls of the university buildings"4. show submission or fear