DictionarymouthBody opening
noun / verb

mouth

MOUTH/maʊθ/

The opening in the face used for eating and speaking.

The person's mouth is relaxed and slightly open between the lips.

Close natural detail of an East Asian adult's mouth and lips, relaxed slightly open expression.
Etymology

Old English muþ already meant the oral opening and could also describe an opening, door, or gate. The facial sense is inherited directly; the word's deeper origin is disputed.

In context

Everyday Speech5:37
her mouth is frowning too I think she's feeling frustrated
Reading Facial Expressions Introduction

More examples

  • Sunlight reaches only a few feet inside the mouth of the cave.
  • He mouths “thank you” through the window without making a sound.
  • She mouths an apology, but she clearly feels no regret.
  • He gets in trouble for mouthing off to his teacher.

Forms

mouth · mouths · mouthed · mouthing

mouthful noun — An amount that fills the mouth.

mouthy adjective — Tending to speak rudely or disrespectfully.

Similar words

opening
A broader term for any gap, entrance, or outlet.
orifice
A formal term for an opening, especially in the body.