Definitions
Example Sentences
"The lifeguard blew the whistle, a signaling device, to alert the swimmers of the approaching storm."
"The hiker carried a signaling device, such as a flare, for emergencies in remote areas."
"The shipwreck survivors used a signaling device, such as a mirror, to attract the attention of passing boats."
"During a blackout, people rely on signaling devices like flashlights to navigate in the darkness."
"The astronaut had a signaling device on their spacesuit to communicate with the mission control."