Meanings
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1
noun
saliva, especially when expelled from the mouth or appearing as froth or drool
The exhausted horse had flecks of spittle around its bit.
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2
noun
a frothy white substance that resembles saliva
White spittle clung to the stems where the insects had been feeding.
Thesaurus
Etymology
From Middle English spitel or spetil, from Old English spǣtl ('saliva'), and related to spit. The word has referred to saliva or expelled froth since Old English.