You searched for: “semaphore
semaphore, semaphoric, semiphorical, semaphorically
1. A visual system for sending information by means of two flags that are held one in each hand, using an alphabetic code based on the position of the signaler's arms.
2. Mechanical signaling device: a signaling device for sending information over distances using mechanically operated arms or flags mounted on a post, especially on a railroad.