eight-legged bug
nounUK /ˌeɪt ˈleɡɪd bʌɡ/
US /ˌeɪt ˈleɡɪd bʌɡ/
A small animal with eight legs, like a spider.
I saw an eight-legged bug crawling on the wall.
OTHER MEANINGS
2. A toy or model shaped like a spider.
He played with a plastic eight-legged bug.
3. A computer program that crawls the internet to gather information.
The search engine's eight-legged bug indexed the new page.
4. A type of fishing lure with eight legs that wiggle in the water.
The angler tied an eight-legged bug to his line.