From Longman Dictionary of Contemporary Englishspill into/onto something phrasal verb literaryif light spills onto or into something, it shines through a window, door, hole etc onto something else The morning light spilled into the room. → spill→ See Verb table
Examples from the Corpus
spill into/onto • Scores of shoppers and traders watched the fight spill on to the road stopping traffic.• The blood spilled on to the earth under the tree.• This would look appropriate in a rustic or upland garden with plants allowed to grow and spill on to the steps.• I let the coins spill into my palm and tossed a handful of them at the open safe.• But the reward for setting off early is the sight of dawn breaking over the South Rim and spilling into the Canyon.• From those windows, too, spectacular sunsets spilled into the hospital rooms.• They also minimized the risk of infection caused by faecal matter accidentally spilling into the peritoneal cavity during the operation.• They said high water levels in the Sacramento delta, which spills into the San Francisco Bay, were also worrisome. 