IPA: /ˈfɪʃˌwɜːrm/
KK: /ˈfɪʃˌwɜrm/
A type of worm that lives in the soil and is often used as bait for fishing.
He used a fishworm to catch a big trout in the lake.
The word 'fishworm' is formed from 'fish' (from Old English 'fisc', meaning a creature that swims in water) and 'worm' (from Old English 'wyrm', meaning a serpent or a crawling creature). Together, 'fishworm' refers to a worm that is associated with fish or lives in aquatic environments.
Think of 'fish' as a creature that swims and 'worm' as a crawling creature — together, they describe a worm that is related to fish.