Source : Webster's Revised Unabridged Dictionary (1913)

Alumna \A*lum"na\, n. fem.; pl. {Alumn[ae]} . [L. See
   {Alumnus}.]
   A female pupil; especially, a graduate of a school or
   college.

Source : WordNet®

alumna
     n : a person who has received a degree from a school (high
         school or college or university) [syn: {alumnus}, {alum},
          {graduate}, {grad}]
     [also: {alumnae} (pl)]