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|Noun||1.||polychaete worm - chiefly marine annelids possessing both sexes and having paired appendages (parapodia) bearing bristles|
annelid, annelid worm, segmented worm - worms with cylindrical bodies segmented both internally and externally
lobworm, lugworm, lug - marine worms having a row of tufted gills along each side of the back; often used for fishing bait
sea mouse - any of several large worms having a broad flattened body with a mat of coarse hairs covering the back
bloodworm - a segmented marine worm with bright red body; often used for bait