costate

adjective
cos·​tate | \ ˈkäˌstāt, -stə̇t \

Definition of costate

: having ribs: such as
a : having one or more longitudinal ribs or nerves a costate leaf
b : having ridges on the surface a costate shell

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History and Etymology for costate

Latin costatus, from costa rib + -atus -ate

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Cite this Entry

“Costate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/costate. Accessed 23 Jan. 2021.

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