Carinate

Zoology, Botany. formed with a carina; keellike.
Historical Examples

If it was that of the carinate birds, how did the struthious birds and Dinosauria independently agree to differ?
On the Genesis of Species St. George Mivart

Calyx 5-parted, fleshy, enclosing the fruit (utricle) and often carinate or crested.
The Manual of the Botany of the Northern United States Asa Gray

Rostrum dilated towards its anterior end, compressed and carinate beneath the large presphenoid fossae.
Extinct Birds Walter Rothschild

All other existing birds belong to the second division, and are called (from the keel on the breast-bone) carinate birds.
On the Genesis of Species St. George Mivart

carinate, keeled, furnished with a sharp ridge or projection on the lower side.
The Elements of Botany Asa Gray

It must have been that of the struthious birds or that of the carinate birds, or something different from both.
On the Genesis of Species St. George Mivart

Calyx 5- (rarely 6-) parted; its lobes long-acuminate, with carinate midrib.
The Manual of the Botany of the Northern United States Asa Gray

The Rostro– carinate flints found at the base of the Crag are long bars with a beak–end, suited for breaking up earth.
How to Observe in Archaeology Various

adjective
(biology) having a keel or ridge; shaped like a keel

carinate car·i·nate (kār’ə-nāt’, -nĭt)
adj.
Shaped like or having a carina or keel; ridged.