Saliva is the clear, watery fluid produced by the salivary glands in the mouth, which helps with digestion, lubricates the mouth, and protects teeth. As a noun, it denotes this bodily secretion and is often discussed in medical or dental contexts. The term emphasizes the bodily liquid, not the act of salivating. It is typically pluralized in common usage when referring to many droplets, but can be mass-noun when referring to the substance in general.
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