Semaphore
Last Updated: January 2, 2026 at 12:30 PM
Scrabble:16 ptsWWF:17 pts9 letters
Definition of Semaphore
Noun
- Any equipment used for visual signalling by means of flags, lights, or mechanically moving arms, which are used to represent letters of the alphabet, or words.
- A visual system for transmitting information using the above equipment; especially, by means of two flags held one in each hand, using an alphabetic and numeric code based on the position of the signaller's arms; flag semaphore.
- A bit, token, fragment of code, or some other mechanism which is used to restrict access to a shared function or device to a single process at a time, or to synchronize and coordinate events in different processes.
"The thread increments the semaphore to prevent other threads from entering the critical section at the same time."
Verb
- To signal using, or as if using, a semaphore, with the implication that it is done nonverbally.
Anagrams of Semaphore
Words You Can Make
50 words can be made from the letters in "semaphore":
+1 Letter Anagrams
Words formed by adding one letter to "semaphore" and rearranging: