- Zoology, Anatomy.
- a comblike part or process.
- a pigmented vascular membrane with parallel folds suggesting the teeth of a comb, projecting into the vitreous humor of the eye in birds and reptiles.
- any bivalve mollusk of the genus Pecten; scallop.
Origin of pecten
1350–1400; Middle English < Latin pecten comb, rake, scallop, pubes, akin to pectere, Greek pékein to comb, card
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for pecten
Found on pecten shells, and abundant off the coast of Maine.The Sea-beach at Ebb-tide
Augusta Foote Arnold
The Scollop Shell (Pecten concentricus), used for card-racks and pin-cushions.Cape Cod
Henry D. Thoreau
"Scallops of the lesser sort" are probably Pecten opercularius and P. varius.Notes and Letters on the Natural History of Norfolk
On this day however a new structure appears, which remains permanently through life, and is known as the pecten.
The proximal part of the free edge of the pecten is somewhat swollen, and sections through this part have a club-shaped form.
- a comblike structure in the eye of birds and reptiles, consisting of a network of blood vessels projecting inwards from the retina, which it is thought to supply with oxygen
- any other comblike part or organ
- any scallop of the genus Pecten, which swim by expelling water from their shell valves in a series of snapping motions
C18: from Latin: a comb, from pectere, related to Greek pekein to comb
- A body structure or an organ resembling a comb.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.