to ask permission or check with sb that they approve of what you want to do :
I think I'll be able to come, but I'll square it with my parents first.
to ask permission or check with sb that they approve of what you want to do :
I think I'll be able to come, but I'll square it with my parents first.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005