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ecarinate

American  
[ee-kar-uh-neyt] / iˈkær əˌneɪt /

adjective

Botany, Zoology.
  1. having no carina or keel.


ecarinate British  
/ iːˈkærɪnɪt /

adjective

  1. biology having no carina or keel

"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

Etymology

Origin of ecarinate

e- 1 + carinate