scallop

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scallop

or

pecten,

marine bivalvebivalve,
aquatic mollusk of the class Pelecypoda ("hatchet-foot") or Bivalvia, with a laterally compressed body and a shell consisting of two valves, or movable pieces, hinged by an elastic ligament.
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 mollusk. Like its close relative the oyster, the scallop has no siphons, the mantle being completely open, but it differs from other mollusks in that both mantle edges have a row of steely blue "eyes" and tactile projections. The rounded shells have radiating ribs with flared "ears" or "wings" at the hinge. Scallops are capable of swimming or leaping about by snapping their shells, which are controlled by a powerful adductor muscle, the only part of the animal that is eaten. Scallops are more common on the Atlantic coast than the Pacific. The common scallop is about 2 in. (5 cm) long. Found abundantly in shallow and offshore waters and in eelgrass and mud flats from Cape Cod to Texas, it is taken in large numbers around Long Island. The giant scallop, found in deeper waters from Labrador to New Jersey, attains a length of 5 in. (12.7 cm). Scallops are classified in the phylum MolluscaMollusca
, taxonomic name for the one of the largest phyla of invertebrate animals (Arthropoda is the largest) comprising more than 50,000 living mollusk species and about 35,000 fossil species dating back to the Cambrian period.
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, class Pelecypoda or Bivalvia, order Filibranchia, family Pectinidae.

Scallop

One of a continuous series of curves resembling segments of a circle, used as a decorative element on the outer edge of a strip of wood used as a molding.

scallop

[′skäl·əp]
(geology)
(invertebrate zoology)
Any of various bivalve mollusks in the family Pectinidae distinguished by radially ribbed valves with undulated margins.

scallop

scallops: a scalloped molding
One of a continuous series of curves resembling segments of a circle, used as a decorative element on the outer edge of a strip of wood, molding etc.

scallop

1. any of various marine bivalves of the family Pectinidae, having a fluted fan-shaped shell: includes free-swimming species (genus Pecten) and species attached to a substratum (genus Chlamys)
2. the edible adductor muscle of certain of these molluscs
3. either of the shell valves of any of these molluscs
4. the shape of a scallop shell used as the badge of a pilgrim, esp in the Middle Ages

SCALLOP

(language, history)
A medium-level language for CDC computers, used to bootstrap the first Pascal compiler.
References in classic literature ?
He looked at her hair done up high, with the long white veil and white flowers and the high, stand-up, scalloped collar, that in such a maidenly fashion hid her long neck at the sides and only showed it in front, her strikingly slender figure, and it seemed to him that she looked better than ever--not because these flowers, this veil, this gown from Paris added anything to her beauty; but because, in spite of the elaborate sumptuousness of her attire, the expression of her sweet face, of her eyes, of her lips was still her own characteristic expression of guileless truthfulness.
She did not look round, but the high scalloped collar, that reached her little pink ear, trembled faintly.
Near Europa's south pole, the craft recorded scalloped lines that continue for hundreds of kilometers.