Definition of dianas:
(n) :
A female given name from Latin.
(n) :
(Roman mythology) The daughter of Latona and Jupiter, and twin sister of Apollo; the goddess of the hunt, associated wild animals and the forest or wilderness, and an emblem of chastity; the Roman counterpart of Artemis.
(n) :
(astronomy) 78 Diana, a main belt asteroid.
(n) :
A Diana monkey.
(n) :
A Diana fritillary.
(n) :
(astronomy, mythology) The Moon; the Moon as a deity.