( informal , especially NAmE ) to wait for sth to happen before you do or decide sth :
She is waiting on the result of a blood test.
( informal , especially NAmE ) to wait for sth to happen before you do or decide sth :
She is waiting on the result of a blood test.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005