A person who mends holes in fabric, especially in socks or stockings, by weaving thread across the gap. The darner skillfully repaired the hole in my favorite pair of socks.
A tool used for darning, typically a mushroom-shaped object that provides a surface to support the fabric being mended. She placed the sock over the darner to make it easier to sew the hole closed.
Any large dragonfly of the family Aeshnidae, especially of the genus Anax, noted for its powerful flight. A green darner hovered above the pond as we walked by.