Definition of
D.a.
- (noun, communication) a doctor's degree with a special disciplinary focus
via WordNet, Princeton University
Synonyms of D.a.
Alternate forms of D.a.
Hypernyms: doctor's degree, doctorate
Origin of the word D.a.
- Amer.Eng., acronym for district attorney from 1934; for duck's ass haircut (or, as OED would have it, duck's arse), from 1951. So called for the shape of it at the back of the head. more
via Online Etymology Dictionary, ©2001 Douglas Harper