/daym/ , n.
1. ( cap. ) (in Britain)
a. the official title of a female member of the Order of the British Empire, equivalent to that of a knight.
b. the official title of the wife of a knight or baronet.
2. (formerly) a form of address to any woman of rank or authority.
3. a matronly woman of advanced age; matron.
4. Slang (sometimes offensive). a woman; female.
5. Eccles. a title of a nun in certain orders.
6. a mistress of a dame-school.
7. Archaic. the mistress of a household.
8. Archaic. a woman of rank or authority, esp. a female ruler.
[ 1175-1225; ME domina, fem. of dominus lord, master ]