Noun
1. a piece of furniture that provides a place to sleep;
"he sat on the edge of the bed""the room had only a bed and chair"2. a plot of ground in which plants are growing;
"the gardener planted a bed of roses"3. a depression forming the ground under a body of water;
"he searched for treasure on the ocean bed"4. (geology) a stratum of rock (especially sedimentary rock);
"they found a bed of standstone"5. a stratum of ore or coal thick enough to be mined with profit;
"he worked in the coal beds"6. single thickness of usually some homogeneous substance;
"slices of hard-boiled egg on a bed of spinach"7. the flat surface of a printing press on which the type form is laid in the last stage of producing a newspaper or magazine or book etc.
8. a foundation of earth or rock supporting a road or railroad track;
"the track bed had washed away"