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[spin-uh-ret, spin-uh-ret] /ˈspɪn əˌrɛt, ˌspɪn əˈrɛt/
an organ or part by means of which a spider, insect larva, or the like spins a silky thread for its web or cocoon.
a metal plate or cup with tiny holes through which a chemical solution is extruded to form continuous filaments, as of rayon, nylon, or polyester.
Origin of spinneret
First recorded in 1820-30; spinner + -et Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for spinneret
Historical Examples
  • The silk is stiffened with a sort of gum as it comes out of the spinneret.

    Makers of Many Things Eva March Tappan
  • The following are magnified figures of the spinneret of the Cossus, from Lyonnet.

    Insect Architecture James Rennie
  • It is at once seized in the fangs, embraced by the legs and hung on to the spinneret.

    The Life of the Spider J. Henri Fabre
  • The labium or second maxillæ, so large in the moth, serves simply as a spinneret in the caterpillar.

    Our Common Insects Alpheus Spring Packard
  • When the Spider has laid her eggs, she begins to work her spinneret once more, but in a different manner.

    Insect Adventures J. Henri Fabre
  • Each thread in turn is pulled at right angles at its middle, and then fastened by means of the creature's spinneret.

    Butterflies and Moths

    William S. Furneaux
  • One draws out the thread from the spinneret, and passes it to the other, which lays it on the radius.

    Insect Adventures J. Henri Fabre
  • This odd substance is made in an organ called the spinneret, at the very end of the spider's body.

  • The silk-glands whose ducts open on this spinneret are paired convoluted tubes lying alongside the elongate cylindrical stomach.

  • These last open at a small orifice in the labium termed the spinneret (fig. 2, 5).

British Dictionary definitions for spinneret


any of several organs in spiders and certain insects through which silk threads are exuded
a finely perforated dispenser through which a viscous liquid is extruded in the production of synthetic fibres
Word Origin
C18: from spinner + -et
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for spinneret

"silk-spinning organ of a silkworm or spider," coined 1826, diminutive of spinner.

Online Etymology Dictionary, © 2010 Douglas Harper
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spinneret in Science
One of the small openings in the back part of a spider or silk-producing insect larva, through which the sticky fluid that dries into silk is released.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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