mussitation

[muhs-i-tey-shuh n]

noun

silent movement of the lips in simulation of the movements made in audible speech.
muttering; mumbling; murmuring.

Origin of mussitation

First recorded in 1640–50, mussitation is from the Late Latin word mussitātiōn- (stem of mussitātiō). See mussitate, -ion
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

mussitation in Medicine

mussitation

[mŭs′ĭ-tāshən]

n.

Movement of the lips as if speaking but without sound.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.