acantha

(redirected from acanthae)
Also found in: Thesaurus, Medical, Encyclopedia.

a·can·tha

 (ə-kăn′thə)
n. pl. a·can·thae (-thē)
A sharp spiny part or structure, such as the spinous process of a vertebra.

[New Latin, from Greek akantha, thorn.]
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.

acantha

(əˈkænθə)
n
a pointed, projecting structure, such as a thorn or prickle
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.acantha - any sharply pointed projection
projection - any solid convex shape that juts out from something
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Mentioned in ?
References in periodicals archive ?
Dietrich and Deitz (1993) listed as synapomorphies for Cicadellidae: the mesonotum exposed posteriorly, the labium not reaching the metathoracic coxae, m-cul crossvein present, metatibia with distinct long setae, tarsomere I of hind leg without cucullate setae, stemum IX and subgenital plate not fused, and abdominal tergum with divided acanthae; all of which are homoplastic characters in their analysis.
Acanthae of various sizes and shapes were present with the greatest variation in size on the largest lobe where relatively large placoid-like acanthae were observed.