mas ‧ cot /ˈmæskət, -kɒt $ -kɑːt/ BrE AmE noun [countable]
[ Date: 1800-1900 ; Language: French ; Origin: mascotte , from Provençal mascoto , from masco 'woman with magic powers' ]
an animal or toy, or a person dressed as an animal, that represents a team or organization, and is thought to bring them good luck:
the official mascot of the 2002 World Cup
Rocky the Raccoon, the team mascot