1. a water spirit or nymph in European folklore, typically depicted as a female being who could gain a soul by marrying a human
Usage: mythology; folklore

Examples

• The undine rose from the lake at midnight to meet her mortal lover.
• In Germanic folklore, an undine was said to be immortal unless she fell in love with a human.
• The ballet tells the story of an undine who sacrifices her immortality for love.
• Ancient tales describe undines as beautiful water spirits who lived in rivers and springs.
• The undine’s ethereal beauty captivated all who saw her dancing on the waves.
• According to legend, an undine could only obtain a soul through marriage to a mortal man.