Definition of costate in English:


Syllabification: cos·tate
Pronunciation: /ˈkäsˌtāt, ˈkästət


Botany & Zoology
  • Ribbed; possessing a costa.
    More 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'.

More definitions of costate

Definition of costate in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day milord
Pronunciation: mɪˈlɔːd
used to address an English nobleman