/ˈməʊʃn ||; ˈmoʃən/verb [I,T] motion to sb (to do sth);motion (for) sb (to do sth) to make a movement, usually with your hand, that tells sb what to do 向（某人）做动作示意: I motioned to the waiter. 我向服务员做了个手势。The manager motioned for me to sit down. 经理示意我坐下来。