| prop. adj. | 1. | of, pertaining to, or characteristic of, Formosa or the natives of Formosa; |
| Noun | 1. | Formosan - the Austronesian languages spoken on Formosa |
| Adj. | 1. | Formosan - of or relating to or characteristic of the island republic on Taiwan or its residents or their language; "the Taiwanese capital is Taipeh" |