noun
: a rolling mill in which metal is acted upon by two sets of rollers commonly horizontal and vertical at each pass and which is used especially in rolling girder and channel-bar sections
noun
: a rolling mill in which metal is acted upon by two sets of rollers commonly horizontal and vertical at each pass and which is used especially in rolling girder and channel-bar sections
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012