Nina in spanish means baby...It's the slang word a boyfriend might use for his girlfriend. Your words Nina should have the accent ~ above it. like this: niÃ±a. 'Nina' means girl.
Top definition Temperamental unknown A person that can explode at any given moment, one minute everything can be super-duper and their company that of something wonderful and the next they are loathsome.
The term well temperament or good temperament (Barbour 1951, x, 221; Lindley 2001) usually means some sort of irregular temperament in which the tempered fifths are of different sizes but no key has very impure intervals.