embouchures

Noun

embouchure (countable and uncountable, plural embouchures)

1. The use of the lips, facial muscles, tongue, and teeth when playing a wind instrument.
   • you could see the twin lines running down from either side of his lower lip, etched in by the force of his embouchure, looking like extensions of his mustache.1963, Thomas Pynchon, V.
2. (archaic) The mouth of a river or valley.
   • We approached Piteå at sunset. The view over the broad embouchure of the river, studded with islands, was quite picturesque, and the town itself, scattered along the shore and over the slopes of hills made a fair appearance.1857, Bayard Taylor, “Northern Travel: Summer and Winter Pictures”, in Prose Writings of Bayard Taylor, revised edition, New York: G. P. Putnam, published 1862, page 180