1. a common wild duck with a green head and neck (male) or mottled brown plumage (female)

Examples

• A mallard landed on the pond with a splash.
• The male mallard’s bright green head made it easy to identify.
• We saw several mallards swimming near the shore.
• The mallard is one of the most widespread duck species.
• Female mallards have brown feathers that help them blend in while nesting.
• Children at the park enjoyed feeding bread to the mallards.