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speak up for
speakeasy
Speaker
speaker
speakerphone
speaking
speaking clock
speaking in tongues
speaking tube
speako
spear (1)
spear (2)
spear carrier
spear grass
spear gun
spear side
spearfish
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speaking tube
speak·ing tube (plural speak·ing tubes)


noun 
Definition:
 
pipe used to converse: a pipe through which conversation can be conducted between people in different parts of something such as a ship or building
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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