the extended two-dimensional outer boundary of a three-dimensional object; "they skimmed over the surface of the water"; "a brush small enough to clean every dental surface"; "the sun has no distinct surface"
the lower side of anything
the inner surface of the hand from the wrist to the base of the fingers
the underside of the foot
the ground on which people and animals move about; "the fire spared the forest floor"
the lowest part of anything; "they started at the bottom of the hill"
a room or set of rooms comprising a single level of a multi-level building; "what level is the office on?"
the outer boundary of an object or a material layer constituting or resembling such a boundary; "there is a special cleaner for these surfaces"; "the cloth had a pattern of red dots on a white surface"
the quantity that can be held in the hand
the lower part of anything; "curled up on the foot of the bed"; "the foot of the page"; "the foot of the list"; "the foot of the mountain"