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a. An elongated flexible unsegmented extension, as one of those surrounding the mouth of a sea anemone, used for feeling, grasping, or locomotion.
b. One of these structures in a cephalopod, typically being retractile and having a clublike end usually with suckers or hooks, in contrast to an arm, which is nonretractile and typically has suckers along the underside.
2. Botany One of the sensitive hairs on the leaves of certain insectivorous plants, such as a sundew.
3. A similar part or extension, especially with respect to the ability to grasp or stretch: an espionage network with far-reaching tentacles.
[New Latin tentāculum, from Latin tentāre, to feel, try; see tentative.]
ten·tac′u·lar (-tăk′yə-lər) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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|Adj.||1.||tentacular - of or relating to or resembling tentacles|
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.