The correct spelling of "wast patent" is actually "waistcoat". According to the International Phonetic Alphabet (IPA), the pronunciation of "waistcoat" is /ˈweɪskəʊt/. The word refers to a type of men's clothing worn over a shirt and under a coat, similar to a vest. The term "waistcoat" is commonly used in British English, while American English usually refers to it as a vest. Regardless of terminology, it remains a staple garment in formal attire for men.