crawler
nounUK /ˈkrɔːlə/
US /ˈkrɔːlər/
A crawler is a person or thing that moves slowly along the ground on hands and knees or on its belly.
The baby is a fast crawler and can cross the room in seconds.
OTHER MEANINGS
2. A small computer program that automatically searches the internet to collect information.
The search engine's crawler visits millions of web pages every day.
3. A vehicle or machine that moves on tracks or wheels over rough ground.
The crawler carried the heavy pipes across the muddy field.
4. A small creature, like an insect or worm, that moves along the ground.
She lifted the stone and found a tiny crawler underneath.