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.
Learner's definition of DISPOSITION. 1. [count] : the usual attitude or mood of a person or animal. He always had a cheerful/nervous disposition. [=temperament, personality] It's nice to work with someone who has such a sunny disposition. [=who is usually cheerful] a dog with an excellent disposition.