costa
noun
a rib or riblike part.
costae
-
pluralof costa.plural
The grammatical form denoting more than one person, place, thing, or idea.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Its costae are very short, and retrusible; its two tentacles are pinnate and are also retrusible.
From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" by Various
Coeloplana is of similar form and habit, with two Ctenophoran tentacles: it has no costae, but is uniformly ciliated.
From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" by Various
True costae always correspond to the septa, and are in fact the peripheral edges of the latter.
From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2 "Anjar" to "Apollo" by Various
Intercostal: between veins or costae; usually in the narrow grooves between veins in the costal region of a wing.
From Explanation of Terms Used in Entomology by John. B. Smith
Shells globular, but having radiating and tuberculated costae.
From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 6 "Celtes, Konrad" to "Ceramics" by Various
