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noun (pl) -quies
(rare) the act of talking in one's sleep
Derived Forms
somniloquist, noun
somniloquous, adjective
Word Origin
C19: from Latin somnus sleep + loqui to speak; compare soliloquy
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for somniloquy

talking in one's sleep, 1847, from somni-, "sleep" + -loquy, from Latin loqui "to speak" (see locution). Related: Somniloquence (1814); somniloquent (1804, Coleridge); somniloquist; somniloquous; somniloquize.

Online Etymology Dictionary, © 2010 Douglas Harper
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somniloquy in Medicine

somniloquy som·nil·o·quy (sŏm-nĭl'ə-kwē) or som·nil·o·quism (-kwĭz'əm)
The act or habit of talking in one's sleep.

som·nil'o·quist n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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