semaphore

sem·a·phore

 (sĕm′ə-fôr′)

n.

1. A visual signaling apparatus with flags, lights, or mechanically moving arms, as one used on a railroad.

2. A visual system for sending information by means of two flags that are held one in each hand, using an alphabetic code based on the position of the signaler's arms.

tr. & intr.v. sem·a·phored, sem·a·phor·ing, sem·a·phores

To send (a message) or to signal by semaphore.


[Greek sēma, sign + -phore.]


sem′a·phor′ic adj.

sem′a·phor′i·cal·ly adv.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

semaphore

(ˈsɛməˌfɔː)

n

1. (Telecommunications) an apparatus for conveying information by means of visual signals, as with movable arms or railway signals, flags, etc

2. (Telecommunications) a system of signalling by holding a flag in each hand and moving the arms to designated positions to denote each letter of the alphabet

vb

(Telecommunications) to signal (information) by means of semaphore

[C19: via French, from Greek sēma a signal + -phore]

semaphoric, ˌsemaˈphorical adj

ˌsemaˈphorically adv

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

sem•a•phore

(ˈsɛm əˌfɔr, -ˌfoʊr)

n., v. -phored, -phor•ing. n.

1. an apparatus for conveying information by means of visual signals, as a light whose position may be changed.

2. a system of signaling, esp. one by which a special flag is held in each hand and various positions of the arms indicate specific letters, numbers, etc.

v.t., v.i.

3. to signal by semaphore or by some system of flags.

[1810–20; < Greek sêma sign + -phore]

sem`a•phor′ic (-ˈfɔr ɪk, -ˈfɒr-) sem`a•phor′i•cal, adj.

sem`a•phor′i•cal•ly, adv.

Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

semaphore

any of various types of signaling systems using flags, mechanical arms, etc. — semaphorist, n.semaphoric, semaphorical, adj.

See also: Flags

-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.

semaphore


Past participle: semaphored
Gerund: semaphoring
Imperative
semaphore
semaphore
Present
I semaphore
you semaphore
he/she/it semaphores
we semaphore
you semaphore
they semaphore
Preterite
I semaphored
you semaphored
he/she/it semaphored
we semaphored
you semaphored
they semaphored
Present Continuous
I am semaphoring
you are semaphoring
he/she/it is semaphoring
we are semaphoring
you are semaphoring
they are semaphoring
Present Perfect
I have semaphored
you have semaphored
he/she/it has semaphored
we have semaphored
you have semaphored
they have semaphored
Past Continuous
I was semaphoring
you were semaphoring
he/she/it was semaphoring
we were semaphoring
you were semaphoring
they were semaphoring
Past Perfect
I had semaphored
you had semaphored
he/she/it had semaphored
we had semaphored
you had semaphored
they had semaphored
Future
I will semaphore
you will semaphore
he/she/it will semaphore
we will semaphore
you will semaphore
they will semaphore
Future Perfect
I will have semaphored
you will have semaphored
he/she/it will have semaphored
we will have semaphored
you will have semaphored
they will have semaphored
Future Continuous
I will be semaphoring
you will be semaphoring
he/she/it will be semaphoring
we will be semaphoring
you will be semaphoring
they will be semaphoring
Present Perfect Continuous
I have been semaphoring
you have been semaphoring
he/she/it has been semaphoring
we have been semaphoring
you have been semaphoring
they have been semaphoring
Future Perfect Continuous
I will have been semaphoring
you will have been semaphoring
he/she/it will have been semaphoring
we will have been semaphoring
you will have been semaphoring
they will have been semaphoring
Past Perfect Continuous
I had been semaphoring
you had been semaphoring
he/she/it had been semaphoring
we had been semaphoring
you had been semaphoring
they had been semaphoring
Conditional
I would semaphore
you would semaphore
he/she/it would semaphore
we would semaphore
you would semaphore
they would semaphore
Past Conditional
I would have semaphored
you would have semaphored
he/she/it would have semaphored
we would have semaphored
you would have semaphored
they would have semaphored

Collins English Verb Tables © HarperCollins Publishers 2011

semaphore

Signalling by means of two flags or mechanical arms, held in various positions to represent letters.

Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited