al ‧ ma ma ‧ ter /ˌælmə ˈmɑːtə, -ˈmeɪ- $ -ˈmɑːtər/ BrE AmE noun [singular]
[ Date: 1700-1800 ; Language: Latin ; Origin: 'generous mother' ]
1 . sb’s alma mater the school, college etc that someone used to attend
2 . American English the song of a particular school, college etc