Definitions of bed:

• noun:   a piece of furniture that provides a place to sleep

  Example: "He sat on the edge of the bed"

• noun:   a plot of ground in which plants are growing

  Example: "The gardener planted a bed of roses"

• noun:   a foundation of earth or rock supporting a road or railroad track

  Example: "The track bed had washed away"

• noun:   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.
• noun:   a depression forming the ground under a body of water

  Example: "He searched for treasure on the ocean bed"

• noun:   (geology) a stratum of rock (especially sedimentary rock)

  Example: "They found a bed of sandstone"

• noun:   single thickness of usually some homogeneous substance

  Example: "Slices of hard-boiled egg on a bed of spinach"

• noun:   a stratum of ore or coal thick enough to be mined with profit

  Example: "He worked in the coal beds"

• verb:   furnish with a bed

  Example: "The inn keeper could bed all the new arrivals"

• verb:   put to bed

  Example: "The children were bedded at ten o'clock"

• verb:   place (plants) in a prepared bed of soil
• verb:   have sexual intercourse with
• verb:   go to bed in order to sleep