Definition, synonyms and related words
plural of signal
"The driver gave two quick signals to indicate he was turning left at the intersection."
In plain English: Signals are messages sent to tell someone what is happening or what to do next.
"The coach gave silent signals to his players during the break."
Third-person singular simple present indicative form of signal
"The captain signals for the crew to abandon ship as the storm intensifies."
In plain English: To signal means to show someone that you want them to know something by using a sign, sound, or gesture.
"The driver signaled left before turning onto the main road."
Derived from the Latin signum meaning "mark" or "token," signals are the plural form referring to signs used to convey information. The term entered English via Old French, retaining its core sense of an indication given by a person or device.