a speech sound that by itself makes a syllable or subordinates to itself the other sounds in the syllable
produced with the lips close together or touching
articulated with the back of the tongue held close to or touching the uvula
articulated with the aid of the tongue, especially the tip of the tongue
the degree of obstruction or the type of channel imposed upon the passage of air at a given place of articulation like stop, fricative, nasal, semivowel