YELLOW JACK
\jˈɛlə͡ʊ d͡ʒˈak], \jˈɛləʊ dʒˈak], \j_ˈɛ_l_əʊ dʒ_ˈa_k]\
Word of the day
international pitch
- the pitch used to tune instruments for concert performances; usually assigns 440 Hz A above middle C