1. plural of merman; mythical male creatures with the upper body of a man and the tail of a fish
Usage: fictional/mythological; typically used in fantasy, folklore, and children's literature

Examples

• The story featured mermen guarding a sunken treasure beneath the ocean.
• In Greek mythology, mermen were sometimes depicted as messengers of the sea god Poseidon.
• The aquarium's mural showed mermen and mermaids swimming together in harmony.
• Children's books often portray mermen as friendly creatures who help lost sailors.
• The fantasy novel introduced a kingdom of mermen with their own unique culture and language.