What is Synonychia?
Synonychia definition and meaning on Dictionary terms:
a word having the same or nearly the same meaning as another in the language, as happy, joyful, elated. A dictionary of synonyms and antonyms (or opposites), such as Thesaurus.com, is called a thesaurus.
a word or expression accepted as another name for something, as Arcadia for pastoral simplicity or Wall Street for U.S. financial markets; metonym.
Biology. one of two or more scientific names applied to a single taxon.