- Zoology. any of various slender, flexible processes or appendages in animals, especially invertebrates, that serve as organs of touch, prehension, etc.; feeler.
- Botany. a sensitive filament or process, as one of the glandular hairs of the sundew.
Origin of tentacle
1755–65; < New Latin tentāculum, equivalent to Latin tentā(re) (variant of temptāre to feel, probe) + -culum -cule2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for tentacle
Not too shabby for a creature less than a year old who had never set a tentacle on the pitch.The Amazing Tale of Paul the Psychic Octopus: Germany’s World Cup Soothsayer
July 12, 2014
The tentacle disappeared into the mass of the baffled hunter.
Then he baited his two hooks with bits of tentacle and threw them overboard.The Harbor of Doubt
First one tentacle, then another, and finally one is pulled under and devoured.Sacrifice
Stephen French Whitman
He raised a tentacle to still Crownwall's immediate exclamation of protest.Upstarts
L. J. Stecher
Where was that spot to which the tentacle of the monster could not reach?The Octopus
- any of various elongated flexible organs that occur near the mouth in many invertebrates and are used for feeding, grasping, etc
- any of the hairs on the leaf of an insectivorous plant that are used to capture prey
- something resembling a tentacle, esp in its ability to reach out or grasp
C18: from New Latin tentāculum, from Latin tentāre, variant of temptāre to feel
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
Word Origin and History for tentacle
1762, from Modern Latin tentaculum "feeler," from Latin tentare "to feel, try" (variant of temptare "to feel, try, test") + -culum, diminutive suffix.
Online Etymology Dictionary, © 2010 Douglas Harper
- An elongated, flexible, unsegmented extension, as one of those surrounding the mouth or oral cavity of the squid, used for feeling, grasping, or locomotion.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- A narrow, flexible, unjointed part extending from the body of certain animals, such as an octopus, jellyfish, or sea anemone. Tentacles are used for feeling, grasping, or moving.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.