noun, plural mid·dies.
- Informal. a midshipman.
- middy blouse.
noun, plural mid·dies. Australian Slang.
- a medium-size drinking glass commonly holding half a pint and used for beer.
noun plural -dies
- informal See midshipman (def. 1)
- See middy blouse
- Australian a middle-sized glass of beer
n.colloquial abbreviation of midshipman, by 1818. As “loose, long type of women’s blouse,” 1911, from resemblance to shirts worn by midshipmen.