1. plural of mouth; the openings in the face used for eating, drinking, and speaking
2. plural of mouth; openings or entrances to caves, rivers, or other geographical features

1. third person singular present of mouth; speaks or pronounces words without making sound
2. third person singular present of mouth; speaks in an insincere or mechanical way

Examples

• The children opened their mouths wide at the dentist.
• Both mouths of the river empty into the bay.
• She mouths the words to her favorite song.
• The cave has two mouths on opposite sides of the hill.
• He mouths empty promises every election year.
• The actor mouths his lines silently during rehearsal.