(al′bə) noun Physiol.
The white tissues or structures of the central nervous system. [<NL <L, white]

(äl′bə, al′bə) noun
A short, formal lyric in Provençal troubadour literature, originally evoked by the necessity for lovers to separate when a watchman announced the dawn; aubade. [<Provençal, dawn]

(äl′bä), Duke of,
1508–82, Fernando Álvarez de Toledo, Spanish general: also spelled Alva.