the bottom of a sea or ocean
the inside lower horizontal surface (as of a room, hallway, tent, or other structure)
a structure consisting of a room or set of rooms at a single position along a vertical scale
a large body of water constituting a principal part of the hydrosphere
a lower limit
the ground on which people and animals move about
the bottom surface of any lake or other body of water
anything apparently limitless in quantity or volume
knock down with force
