Share this entry
costate Syllabification: cos·tate
Pronunciation: /ˈkäsˌtāt/ /ˈkästət/

Definition of costate in English:


Botany & Zoology
Ribbed; possessing a costa.
Example sentences
  • Lateral slopes are weakly costate; the costae are diminished and almost invisible.
  • All are radially costate, with costae varying from simple and evenly distributed to variously branched and unevenly spaced.
  • Early genera were almost circular to elongate-oval, with smooth or finely costate shells.


Early 19th century: from Latin costatus, from costa 'rib'.

Definition of costate in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove adverts and access premium resources