A wetland that forms in areas where groundwater discharges to the land surface, often at the base of steep slopes, but where water volume is too small to create a stream or creek These wetlands have a perpetually saturated soil but may have little or no standing water
If something such as liquid or gas seeps somewhere, it flows slowly and in small amounts into a place where it should not go. Radioactive water had seeped into underground reservoirs The gas is seeping out of the rocks Seep is also a noun. an oil seep
If something such as secret information or an unpleasant emotion seeps somewhere, it comes out gradually. the tide of racism which is sweeping Europe seeps into Britain