WordNet (r) 3.0 (2006):
mill around v 1: be about; "The high school students like to loiter in the Central Square"; "Who is this man that is hanging around the department?" [syn: loiter, lounge, footle, lollygag, loaf, lallygag, hang around, mess about, tarry, linger, lurk, mill about, mill around] 2: move about in a confused manner [syn: mill, mill about, mill around]