1. the state or relationship of being cousins; kinship through a common ancestor
Usage: formal or archaic
2. a group of cousins; relatives descended from a common ancestor
Usage: archaic

Examples

• The cousinage between the two families was established through their shared great-grandfather.
• She traced her cousinage back several generations using genealogical records.
• Their close cousinage meant they spent many holidays together as children.
• The legal dispute involved questions of cousinage and inheritance rights.