CORTIS ORGAN
\kˈɔːtiz ˈɔːɡən], \kˈɔːtiz ˈɔːɡən], \k_ˈɔː_t_i_z ˈɔː_ɡ_ə_n]\
Word of the day
international pitch
- the pitch used to tune instruments for concert performances; usually assigns 440 Hz A above middle C