Definition of wood nymph
noun
1(in folklore and classical mythology) a nymph inhabiting woodland, especially a Dryad or Hamadryad.
2a brown American butterfly of grassy habitats and light woodlands, with large eyespots on the forewings and smaller ones on the hind wings. - Genus Cercyonis, subfamily Satyrinae, family Nymphalidae: several species, in particular the widespread C. pegala
3 (also woodnymph) a dark-colored, green-throated hummingbird, found from Mexico to Argentina. - Genus Thalurania, family Trochilidae: several species, including the common wood nymph (T. furcata) and the Mexican wood nymph (T. ridgwayi)