costate

American  

[kos-tuht, kaw-steyt] / ˈkɒs tət, ˈkɔ steɪt /

adjective

1. Anatomy. having ribs.

2. (of mosses) having a midrib or costa.

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costate British  

/ ˈkɒsteɪt /

adjective

1. anatomy having ribs

2. (of leaves) having veins or ridges, esp parallel ones

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Other Word Forms

• multicostate adjective

Etymology

Origin of costate

1810–20; < Latin costātus having ribs, ribbed, equivalent to cost ( a ) rib + -ātus -ate ¹

Example Sentences

Perigynium less inflated, more conspicuously nerved or even costate, and with more or less setaceous or awned teeth; scale usually awned; spikes mostly nodding or spreading, comose in appearance, greenish, greenish-yellow, or ochroleucous.—Sp.

From The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee by Gray, Asa

The hymenium is even, coriaceous, or waxy, costate, or papillose.

From The Mushroom, Edible and Otherwise Its Habitat and its Time of Growth by Hard, Miron Elisha

Costal margin: the anterior margin of a wing whether it is really costate or not.

From Explanation of Terms Used in Entomology by Smith, John. B.