To slither is to move smoothly and unobtrusively along a surface, often with a twisting motion.(verb)
When a snake glides smoothly along the ground, twisting back and forth, this is an example of a time when the snake slithers.
See slither in Webster's New World College Dictionary
Origin: ME slitheren, var. of slideren < OE sliderian, freq. < base of slidan, to slide
See slither in American Heritage Dictionary 4
verb slith·ered, slith·er·ing, slith·ers verb, intransitive
Origin: Middle English slethren
Origin: , variant of sliddren
Origin: , from Old English slidrian
Origin: , frequentative of slīdan, to slide.
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