a ‧ lum ‧ na /əˈlʌmnə/ BrE AmE noun ( plural alumnae /-niː/) [countable] formal
[ Date: 1800-1900 ; Language: Latin ; Origin: 'foster daughter, female pupil' , from alere ; ⇨ ↑ alimentary canal ]
a woman who is a former student of a school, college etc