'Ba' definitions:

Definition of 'Ba'

(from WordNet)
noun
A soft silvery metallic element of the alkali earth group; found in barite [syn: barium, Ba, atomic number 56]
noun
A bachelor's degree in arts and sciences [syn: Bachelor of Arts, BA, Artium Baccalaurens, AB]

Definition of 'Ba'

From: GCIDE
  • Ba \Ba\ (b[aum]), v. t. [Cf. OF. baer to open the mouth, F. bayer.] To kiss. [Obs.] --Chaucer. [1913 Webster]