spin·​ner·​et | \ ˌspi-nə-ˈret How to pronounce spinneret (audio) \

Definition of spinneret

1 : an organ (as of a spider or caterpillar) for producing threads of silk from the secretion of silk glands
2 or spinnerette : a small metal plate, thimble, or cap with fine holes through which a chemical solution (as of cellulose) is forced in the spinning of man-made filaments (as of rayon or nylon)

Examples of spinneret in a Sentence

Recent Examples on the Web

Uraraneida have more primitive spinnerets and retain the telson that modern day spiders no longer have. John Wenz, Popular Mechanics, "Horrifying Fossil Shows Spider With a Scorpion Tail," 5 Feb. 2018 As such, many species of arachnids do not have spinnerets. John Wenz, Popular Mechanics, "Horrifying Fossil Shows Spider With a Scorpion Tail," 5 Feb. 2018 The new animal resembles a spider with its fangs, four walking legs and silk-producing spinnerets at the rear. Doyle Rice, USA TODAY, "Ancient arachnid: 100-million-year-old spider found trapped in amber," 5 Feb. 2018 Dr Huang and Dr Giribet acknowledge these spiderlike features, but think that a wider statistical analysis, which takes account of other body parts as well as spinnerets and pedipalps, shows that Chimerarachne yingi is actually a Uraraneid. The Economist, "Phylogeny and palaeontologyA strange fossil spider. Or maybe not," 5 Feb. 2018 Similar to today’s black widows and huntsman spiders, C. yingi had silk-producing spinnerets near its rear end. Nicholas St. Fleur, New York Times, "Spider-like Creature With a Scorpion’s Tail Found Trapped in Amber," 5 Feb. 2018 Modern-day spiders don’t have tails, but do have silk-producing spinnerets. Katy Bergen, kansascity, "KU researcher says 100-million-year-old spider with this odd feature is a missing link," 5 Feb. 2018 Wolf spider moms carry their egg sacs on their spinnerets, or silk-producing organs, for safekeeping, Sewlal says. National Geographic, "6 Fierce Animal Moms That Go to Extremes For Their Young," 13 May 2017 Idmonarachne also lacks something special that defines so much of the spider lifestyle: The fossil arachnid doesn’t have any spinnerets. National Geographic, "Creepy New Fossil Shows the Dawn of Spiders," 30 Mar. 2016

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'spinneret.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of spinneret

1826, in the meaning defined at sense 1

Keep scrolling for more

Learn More about spinneret

Statistics for spinneret

Look-up Popularity

Time Traveler for spinneret

The first known use of spinneret was in 1826

See more words from the same year

More from Merriam-Webster on spinneret

Rhyming Dictionary: Words that rhyme with spinneret

Britannica.com: Encyclopedia article about spinneret

Comments on spinneret

What made you want to look up spinneret? Please tell us where you read or heard it (including the quote, if possible).


an act or instance of returning to life

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Latin Quiz

  • roman forum
  • Which of the following months comes from a Latin word for “ten”?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Add Diction

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!