The white foam of a dark river flows over moss-covered rocksThe white foam of a dark river flows over moss-covered rocks
The mountains were covered with moss and other small plantsThe mountains were covered with moss and other small plants
The sun is through the trees, everything is covered with flowers under your feetThe sun is through the trees, everything is covered with flowers under your feet
Верхняя часть, служащая покрытием какого-н. сосуда, ящика, коробки и т. п..