Signal
Pronunciation: /ˈsɪɡnəl/
Signal (noun)
- a sound, action, or event that gives information or tells someone to do something
- an electrical or radio wave used to send information
- a sign that something bad might happen
Examples
- The flag was a signal to start the race.
- A whistle can be a signal for attention.
Common collocations: give a signal, receive a signal, transmit a signal, decode a signal, give a warning signal
Signal (verb)
- to make a sound or movement to give information or instructions
- to send an electronic message or data
Examples
- He signaled for help with a flashlight.
- They signaled their agreement by nodding.