/ohd"n ayt', oh don"ayt/ , adj.
1. belonging or pertaining to the order Odonata, comprising the damselflies and dragonflies.
n.
2. any of numerous large predatory aquatic insects of the order Odonata, occurring worldwide and characterized by two pairs of membranous wings.
[ Odonata (1792), irreg. odón TOOTH + NL -ata -ATA 1 ]