Bantam/ˈbæntəm/ Definition 1 of 4Pro Tip 1/2Animal Breed Refers to a specific breed of dwarf chickens, important in poultry farming. The farmer's prize bantams won awards at the fair. Pro Tip 2/2Not Always Chickens Can mean any small or miniature bird, not just chickens. She keeps bantams, including tiny parrots and finches.