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n. Any of numerous species of tubicolous annelids of the genus Serpula and allied genera of the family Serpulidae that secrete a calcareous tube, usually irregularly contorted, but sometimes spirally coiled, with a wreath of plumelike and often bright-colored gills around its head, and usually an operculum to close the aperture of its tube when it retracts.

n. Any one of numerous species of tubicolous annelids of the genus Serpula and allied genera of the family Serpulidæ. They secrete a calcareous tube, which is usually irregularly contorted, but is sometimes spirally coiled. The worm has a wreath of plumelike and often bright-colored gills around its head, and usually an operculum to close the aperture of its tube when it retracts.

n. A Linnean (1758) genus of worms, subsequently used with various restrictions, now type of the family Serpulidæ.

n. [lowercase] A worm of this or some related genus; also, a tube or bunch of tubes of such worms; a serpulian or serpulite.

"Another worm builds of sand or mud, with a rough casting of fine gravel and shell-grit, a habitation similar in design to that of the serpula, though on a less complete and authoritative model; indeed, it would almost seem that the latter had designed its tenement after the fashion of that of its poor relation — that the one made a study in mud which the other reproduced in carbonate of lime."

Seriola    scapula