What is the meaning of Oscar?

Alternative letter-case form of Oscar of the ICAO/NATO radiotelephony alphabet.

A cichlid fish of species Astronotus ocellatus, native to South America, sometimes kept in aquariums.

Alternative letter-case form of Oscar from the NATO/ICAO Phonetic Alphabet.

to nick, to dent (a blade)

warrior, hero

leap, bound; agility

stroke

Source: wiktionary.org