Mouth Definition

mouth

mouthed, mouthing, mouths

noun

mouths

The opening through which an animal takes in food; specif., the cavity, or the entire structure, in the head of any of the higher animals which contains the teeth and tongue and through which sounds are uttered.

Webster's New World

The cavity lying at the upper end of the digestive tract, bounded on the outside by the lips and inside by the oropharynx and containing in humans and certain other vertebrates the tongue, gums, and teeth.

American Heritage Medicine

The mouth regarded as the organ of chewing and tasting.

Webster's New World

The mouth regarded as the organ of speech.

Webster's New World

The opening to any cavity or canal in an organ or a bodily part.

American Heritage Medicine

Synonyms:

verb

mouthed, mouthing, mouths

To speak in an affected or oratorical manner; declaim.

Webster's New World

To say, esp. in an affected, oratorical, or insincere manner; declaim.

Webster's New World

To form (a word) with the mouth soundlessly.

Webster's New World

To take or put into the mouth.

Webster's New World

To make a wry face by twisting the mouth; grimace.

Webster's New World

Synonyms:

idiom

down in

Discouraged; sad; dejected.

American Heritage

down in the mouth

depressed; unhappy; discouraged

Webster's New World

(have) a big mouth

(to have) a tendency to talk loudly, excessively, indiscreetly, or impudently

Webster's New World

mouth off

to talk loudly, excessively, indiscreetly, or impudently

Webster's New World

Other Word Forms of Mouth

Noun

Singular:

mouth

Plural:

mouths

Idioms, Phrasal Verbs Related to Mouth

down in
down in the mouth
(have) a big mouth
mouth off

Origin of Mouth

From Middle English mouth, from Old English mūþ (“mouth, opening, door, gate"), from Proto-Germanic *munþaz (“mouth"), from Proto-Indo-European *ment- (“to chew; jaw, mouth"). Cognate with Scots mouth (“mouth"), North Frisian müd, müth, müss (“mouth"), West Frisian mûn (“mouth"), Dutch mond (“mouth"), muide (“river mouth") and mui (“riptide"), German Mund (“mouth"), Swedish mun (“mouth"), Faroese muður, munnur (“mouth"), Icelandic munnur (“mouth"), Gothic 𐌼𐌿𐌽𐌸𐍃 (munþs, “mouth"), Latin mentum (“chin") and mandō (“to chew"), Ancient Greek μάσταξ (mástax, “jaws, mouth") and μασάομαι (masáomai, “to chew"), Albanian mjekÃ«r (“chin, beard"), Welsh mant (“jawbone"), Hittite [script?] (mÄ“ni, “chin").

From Wiktionary
Middle English from Old English mūth men-² in Indo-European roots

From American Heritage Dictionary of the English Language, 5th Edition