Synonyms of the word

embouchure

• n. (music) The use of the lips, facial muscles, tongue, and teeth when playing a wind instrument.
• n. (archaic) The mouth of a river or valley.

aperture

• n. An opening; an open space; a gap, cleft, or chasm; a passage perforated; a hole.
• n. (optics) Something which restricts the diameter of the light path through one plane in an optical system.
• n. (astronomy, photography) The diameter of the aperture (in the sense above) which restricts the width of…
• n. (spaceflight, communication) The (typically) large-diameter antenna used for receiving and transmitting…
• n. (mathematics, rare, of a right circular cone) The maximum angle between the two generatrices.

mouthpiece

• n. A part of any device that functions in or near the mouth, especially.
• n. A spokesman who speaks on behalf of someone else.
• n. (slang) A lawyer for the defense.