Plural of semaphore

Forms of semaphore

Semaphores in a sentence

• It is essentially an emergency device, primarily for use on single track railroads, and is intended to place the control of semaphores at the several stations under the control of the dispatcher.1906 July 19, “The Wright Telegraph Railroad Signal”, in The Iron Age, volume LXXVIII, New York, N.Y.: David Williams Company […], →OCLC...
• Now, a century later, semaphores and discs are giving place to colour and position lights.1941 April, “Centenary of the Semaphore Signal”, in Railway Magazine, page 171
• The colour-lights showed up much better than the semaphores which, in spite of their approach warning boards, are not readily visible at any distance between the supports for the catenaries.1962 April, P. W. B. Semmens, “The Netherlands Railways today”, in Modern Railways, page 241. From the entry catenary

Meaning of semaphore

1. 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.
2. noun 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.
3. noun 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.

Full definition of semaphore

More about semaphore

• Meaning of semaphore
• Semaphore in a sentence
• Semaphore in Tamil
• Semaphore in Kannada

Questions about the plural of semaphore

What is the plural of semaphore?

The plural of semaphore is semaphores.

Is semaphore countable?

Semaphore is a countable and uncountable noun.