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seta

American  
[see-tuh] / ˈsi tə /

noun

Biology.
  • setae
    plural
  1. a stiff hair; bristle or bristlelike part.


seta British  
/ ˈsiːtə /

noun

  1. (in invertebrates and some plants) any bristle or bristle-like appendage

  2. (in mosses) the stalk of the sporophyte that bears the capsule

"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

seta Scientific  
/ sētə /
  • setae
    plural
  1. A stiff hair, bristle, or bristlelike process or part on an organism. Setae on the bodies of spiders are used as sensory organs, while setae on the bodies of many polychaete worms, such as earthworms, are used for locomotion. Microscopic setae on the feet of geckos allow adhesion to vertical surfaces.


Other Word Forms

Derived Forms

Inflected Forms

Nouns

Etymology

Origin of seta

First recorded in 1785–95, seta is from the Latin word sēta, saeta “bristle”

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Geckos’ toes are covered with hundreds of thousands of tiny hairs known as setae, with each seta, in turn, branching into hundreds of tiny, flat, triangular tips called spatulae.

From Textbooks Feb. 14, 2019

I knew that the word for underpants is mutande, but seta, meaning "silk", was not then in my vocabulary.

From The Guardian Jan. 9, 2011

After a time the upper region increases in diameter and forms the capsule, while the lower portion forms the long seta and the foot which is embedded in the end of the stem.

From Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" by Various

We have sent for the Sheriff, and we'll seta watch here a' night, in case the gipsies return; but YOU--ye maun come hame, sir, for my lady's in the dead-thraw.'

From Guy Mannering — Complete by Sir Walter Scott

This star is found pictured in the astronomical texts by a turtle, the name for which is seta, sita, sit or set; in Greek texts cit.

From The Fundamental Principles of Old and New World Civilizations by Zelia Nuttall

The caterpillars’ setae may be sensitive to all three, Casas says, making it tough to tell how important the ability to detect the electric field may be for protection.

From Science Magazine May 20, 2024

That observation suggests the setae have evolved to detect a wasp’s particular electrostatic signature.

From Science Magazine May 20, 2024

The researchers also found that the caterpillars’ setae responded most dramatically when the electric field oscillated at a rate comparable to the beating of a wasp’s wings.

From Science Magazine May 20, 2024

Geckos’ toes are covered with hundreds of thousands of tiny hairs known as setae, with each seta, in turn, branching into hundreds of tiny, flat, triangular tips called spatulae.

From Textbooks Feb. 14, 2019

Other Sense-Organs.—As in Arthropoda, the hairs or setae on the surface of the body are important organs of sense and are variously modified for special sensory functions.

From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" by Various

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