Con·ver'ging adjective Tending to one point; approaching each other; convergent; as, converging lines. Whewell. Converging rays (Opt.) , rays of light, which, proceeding from different points of an object, tend toward a single point. -- Converging series... Found on http://www.encyclo.co.uk/webster/C/152
converging 1. Inclining towards each other or towards a common point of meeting; tending to meet in a point.2. In optics, applied to rays of light that meet or tend to meet in a focus.3. In botany, a reference to pairs of organs that bend towards each other.4. Consisting or formed of converging elements or partS. Found on http://www.wordinfo.info/words/index/info/view_unit/2282/