unicostate

[ yoo-ni-kos-teyt, -kaw-steyt ]

adjective
  1. having only one costa, rib, or ridge.

  2. Botany. (of a leaf) having only one primary or prominent rib, the midrib.

Origin of unicostate

1
First recorded in 1840–50; uni- + costate

Words Nearby unicostate

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British Dictionary definitions for unicostate

unicostate

/ (ˌjuːnɪˈkɒsteɪt) /


adjective
  1. biology having only one rib or riblike part: unicostate leaves

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