( NAmE ) to find it difficult to speak, because of the strong emotion that you are feeling :
She choked up when she began to talk about her mother.
( NAmE ) to find it difficult to speak, because of the strong emotion that you are feeling :
She choked up when she began to talk about her mother.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005