poecilonym

Noun

poecilonym (plural poecilonyms)

1. (rare) Any of several names for a thing; an alternative name.
   • >> Is there another word for synonym?
     >Actually, there is: poecilonym
     Take care, though; ‘poecilonym’ can only be used for the taxonomic meaning of ‘synonym’--an incorrect or obsolete systematic name for a genus or species.1999 July 27, Ucalegon, “Missing aircraft”, in alt.anagrams (Usenet)
   • It's high time I looked for another job and got as far away from homonyms, synonyms, antonyms — to say nothing of caconyms, eponyms, and poecilonyms!2006, Nero Blanc, Death on the Diagonal, page 147

   Synonyms:

   alias, synonym

2. Synonym of hybridism.
   • This is also a type of poecilonym or hybrid word; cf. such a word as “aeneolithic” (=chalcolithic) in English.1977, Robert H. Stacy, Defamiliarization in Language and Literature, Syracuse University Press, →ISBN, page 52

   Synonyms:

   hybridism