Definition of "signal"
- noun
An indication given to another person.
An on-off light, semaphore, or other device used to give an indication to another person.
An electrical or electromagnetic action, normally a voltage that is a function of time that conveys the information of the radio or TV program or of communication with another party.
Useful information.
A simple interprocess communication used to notify a process or thread of an occurrence.
- verb
To indicate.
- adjective
Standing above others in rank, importance, or achievement.
- Sources