( especially BrE ) to become smaller or weaker :
The number of tourists tails off in October.
'But why ... ?' Her voice tailed away.
( especially BrE ) to become smaller or weaker :
The number of tourists tails off in October.
'But why ... ?' Her voice tailed away.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005