英:['kɒsteɪt]
美:['kɒsteɪt]
英:['kɒsteɪt]
美:['kɒsteɪt]
adjective
having ribs: such as
having one or more longitudinal ribs or nerves
a costate leaf
having ridges on the surface
a costate shell
Latin costatus, from costa rib + -atus -ate
1 The hymenium is even, coriaceous, or waxy, costate, or papillose.
2 Costal margin: the anterior margin of a wing whether it is really costate or not.