Open Dictionary
mouse here to listen, click to choose/add more
Location: USA
Source: Learn That Word
Profile URL: www.learnthat.org

Are you a native English speaker? How do you pronounce this word?

Thank you for contributing!
upload mp3 file or record now it's easy, promised!

{%type%} Definitions

WordNet 3.0Copyright Princeton University
{%wordnet%}
Definitions.net
{%definitions_com%}

Videos

Short "hint"

n. - An apparatus for visual signaling with lights or mechanically moving arms v. - Send signals by or as if by a device for signaling.

edit
Usage examples (38)
  • Basically a semaphore is a counter (integer) that allows a thread to get into
  • The semaphore is a machine with two arms which may be moved into various positions to make letters.
  • The telegraph station at the semaphore was a little, square, stone hut, roofed with slate, perched high on the cliffs.
  • The semaphore is a quicker means of communication than the wig wag; but the wig wag can be used in a prone position under shelter.
...click for more
Tutoring comment
  • This was the final winning word in the 1946 National Spelling Bee.
add more
The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.