combining audio and video recording in such a way that the sound is perfectly synchronized with the action that produced it; especially synchronizing the movements of a speaker's lips with the sound of his speech
make synchronous and adjust in time or manner
either of two fleshy folds of tissue that surround the mouth and play a role in speaking
(botany) either of the two parts of a bilabiate corolla or calyx
the top edge of a vessel or other container
