Definition of Andromeda

• any of several shrubs of the genus Andromeda having leathery leaves and clusters of small flowers
• (Greek mythology) an Ethiopian princess and daughter of Cassiopeia; she was fastened to a rock and exposed to a sea monster that was sent by Poseidon, but she was rescued by Perseus and became his wife
• a constellation in the northern hemisphere between Cassiopeia and Pegasus; contains the Andromeda galaxy