Definition of "carina" in English

noun

1. A longitudinal ridge or projection like the keel of a boat.

2. (botany) Part of a papilionaceous flower consisting of two petals, commonly united, which encloses the organs of fructification.

3. (botany) The keel of the glume of grasses.

4. (botany) The principal nerve of a sepal.

5. (ornithology) The keel of the breastbone of birds.

6. (anatomy) Any of several features that have a projecting central ridge.