1. Plural of oldwife; a type of sea duck found in northern waters, having distinctive markings and a loud call.
Usage: ornithology; also called oldsquaw
2. Plural of oldwife; any of various marine fish, especially a type of wrasse or grunt.
Usage: ichthyology; regional

Examples

• The oldwives gathered in flocks on the cold northern lakes during winter.
• Birdwatchers came to observe the oldwives and their characteristic diving behavior.
• The fishermen caught several oldwives in their nets near the reef.
• Oldwives are known for their noisy, distinctive calls that echo across the water.