As an initialism dia is
(us|military).
bi
English
Etymology 1
From (m).
Adjective
(
-)
(colloquial) Bisexual.
- I'm hetero, but my oldest sister is bi .
See also
* bi-
Etymology 2
(etyl)
Noun
(bi)
A type of jade disk produced in ancient China.
dia
English
Initialism
(Initialism)
(head)
(US, military)
Anagrams
*