beard worm(redirected from Siboglinidae)
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|Noun||1.||beard worm - slender animal with tentacles and a tubelike outer covering; lives on the deep ocean bottom|
worm - any of numerous relatively small elongated soft-bodied animals especially of the phyla Annelida and Chaetognatha and Nematoda and Nemertea and Platyhelminthes; also many insect larvae