Thai /taɪ/noun 3adjective 1forms 3 noun3 •A person living in or coming from Thailand. •Thai cuisine; traditional Thai food. •A domestic cat of a particular breed descended from cats of Thailand and somewhat resembling a Siamese. adjective1 •Of or pertaining to Thailand.A group of Thai researchers found the spider during an expedition to Phang-Nga province in southern Thailand to research the diversity and distribution of tarantulas in the country. — 2023 formsThais · more Thai · most Thai