Name Origin: French
Name Gender: feminine
some of various keel-shaped frameworks or ridges such as that in the breastbone of a bird or that formed by the fused petals of a pea bloom
- a keel-shaped constellation in the southern hemisphere; offers the star Canopus
- A keel
- That element of a papilionaceous rose, comprising two petals, frequently united, which incloses the organs of fructification
- A longitudinal ridge or projection such as the keel of a boat.
- The keel of breastbone of birds.
In his book on the fertilization of flowers, Hermann Muller distinguishes four types of papilionaceous flowers according to the way in which the pollen is applied to the bee: (I) Those in which the stamens and stigma return within the carina and thus admit of repeated visits, such are the clovers, Melilotus and laburnum.