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1. Greek & Roman Mythology Any of numerous minor deities represented as beautiful maidens inhabiting and sometimes personifying features of nature such as trees, waters, and mountains.
2. A sexually mature and attractive young woman.
a. The immature form of an insect, such as a grasshopper, that does not pass through a pupal stage during metamorphosis. Nymphs resemble adults but are smaller and lack fully developed wings.
b. The eight-legged immature form of certain arachnids, such as ticks and mites.
[Middle English nimphe, from Old French, from Latin nympha, from Greek numphē.]
nymph′al (nĭm′fəl) adj.