The lip against which pressured air is driven to produce sound in a recorder and in a pipe organ with flue pipes.
The lip of a labiate corolla.
A liplike structure; especially one of the two pairs of folds of skin on either side of the vulva.
A liplike part of various invertebrates.
A lower mouthpart of an insect that is formed by the second pair of maxillae united in the middle line.
The sound made by any condition which produces noisy, or turbulent, flow of blood through the heart.
A muttered complaint or protest; the expression of dissatisfaction in a low muttering voice; any expression of complaint or discontent.
Soft indistinct speech.
Any low, indistinct sound, like that of running water.
To say (something) indistinctly, to mutter.
To speak or make low, indistinguishable noise; to mumble, mutter.