one of two or more words that have the same spelling but different meanings and pronunciation, for example ‘tear’ meaning ‘rip’ and ‘tear’ meaning ‘liquid from the eye’ 同形异音异义词（如表示 “撕裂” 的 tear 与表示 “眼泪” 的 tear） one of two or more words that refer to the same thing, for example ‘lift’ and ‘elevator’ 异形同义词（如 lift 和 elevator）
Word Originlate 19th cent.: from hetero- + -onym.