Similar words: eponymous, anonym, synonym, acronym, antonym, homonym, anonymity, anonymous. Meaning: ['epəʊnɪm] 
n. 1. the person for whom something is named 2. the name derived from a person (real or imaginary).
n. 1. the person for whom something is named 2. the name derived from a person (real or imaginary). 1. Constantine I is the eponym for constantinople.
2. Down's syndrome is an eponym for the English physician john down.
3. You of course know that an eponym is a word that started out as someone's name.
4. These nodes have the eponym "the node of Sister Mary Joseph" and are a signal of significant intra-abdominal lymphadenopathy usually associated with malignant processes.
5. I was being interviewed recently and talking about a certain eponym that had morphed after it was first coined.
More similar words: eponymous, anonym, synonym, acronym, antonym, homonym, anonymity, anonymous, metonymy, synonymous, pseudonym, anonymously, patronymic, synonymously, pony, keep on, ponytail, keep one's word, preponderate, preponderant, preponderance, preponderantly, preponderance of evidence, nymph, any more, anymore, not any more, by any means, at any moment, bony.