carina
/kəˈɹiːnə/ noun C2- A longitudinal ridge or projection like the keel of a boat.
- Part of a papilionaceous flower consisting of two petals, commonly united, which encloses the organs of fructification.
- The keel of the glume of grasses.
- The principal nerve of a sepal.
- The keel of the breastbone of birds.
- Any of several features that have a projecting central ridge.
Plural carinas
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