Oscar

Multiple Entries:
  Oscar    oscar  

Concise Oxford English Dictionary © 2008 Oxford University Press:
Oscar/ˈɒskə(r)/

▶noun

• 1 (trademark in the US) the nickname for a gold statuette given as an Academy award.

• 2 a code word representing the letter O, used in radio communication.

– origin one of the several speculative explanations of sense 1 claims that the statuette reminded an executive director of the Academy of Motion Picture Arts and Sciences of her uncle Oscar.

Concise Oxford English Dictionary © 2008 Oxford University Press:
oscar /ˈɒskə/ (also oscar cichlid)

▶noun a South American cichlid fish with velvety brown young and multicoloured adults, popular in aquaria. [Astronotus ocellatus.]

– origin 1950s: of uncertain origin.