to walk carefully, choosing the safest, driest, etc. place to put your feet :
She picked her way delicately over the rough ground.
to walk carefully, choosing the safest, driest, etc. place to put your feet :
She picked her way delicately over the rough ground.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005