godan verb (-ru), intransitive verb
crawl around; creep about
Describes crawling or creeping movement, often of insects, small animals, or people moving on all fours. Can also be used figuratively for something spreading slowly.
赤ちゃんが床を這い回っている。
The baby is crawling around on the floor.
庭に毛虫が這い回っていた。
A caterpillar was crawling around in the garden.