STEP Hebrew Lexicon: שָׁטַף

1) to wash, rinse, overflow, engulf, rinse or wash off

1a) (Qal)

1a1) to overflow

1a2) to flow, run

1a3) to rinse or wash off

1b) (Niphal) to be swept away, be rinsed out

1c) (Pual) to be rinsed, be scoured and rinsed