carina

name

1. A summer constellation of the southern sky, said to resemble the keel of a ship. It contains the star Canopus, the second brightest star in the night sky. Until 1763, it was part of a larger constellation, Argo Navis.
2. A female given name from Latin occasionally used in English.
3. A locality in the Rural City of Mildura, north western Victoria, Australia

noun

1. A longitudinal ridge or projection like the keel of a boat.
2. Part of a papilionaceous flower consisting of two petals, commonly united, which encloses the organs of fructification.
3. The keel of the glume of grasses.
4. The principal nerve of a sepal.
5. The keel of the breastbone of birds.
6. Any of several features that have a projecting central ridge.