Term: floor: the inside lower horizontal surface (as of a room, hallway, tent, or other structure)
Broader: horizontal surface: a flat surface at right angles to a plumb line | Unrelated: tree surgeon: a specialist in treating damaged trees
Broader: horizontal surface: a flat surface at right angles to a plumb line | Unrelated: matriculate: someone who has been admitted to a college or university
Broader: horizontal surface: a flat surface at right angles to a plumb line | Unrelated: wood: a golf club with a long shaft used to hit long shots; originally made with a wooden head
Broader: horizontal surface: a flat surface at right angles to a plumb line | Unrelated: richweed: a plants of the genus Pilea having drooping green flower clusters and smooth translucent stems and leaves
Broader: horizontal surface: a flat surface at right angles to a plumb line | Unrelated: love: a score of zero in tennis or squash
Broader: horizontal surface: a flat surface at right angles to a plumb line | Unrelated: slagheap: pile of waste matter from coal mining etc
Broader: horizontal surface: a flat surface at right angles to a plumb line | Unrelated: mild silver protein: antiseptic consisting of a compound of protein and silver (trade name Argyrol)
Broader: horizontal surface: a flat surface at right angles to a plumb line | Unrelated: feel: an intuitive awareness;  or
Broader: horizontal surface: a flat surface at right angles to a plumb line | Unrelated: laity: in Christianity, members of a religious community that do not have the priestly responsibilities of ordained clergy
Broader: horizontal surface: a flat surface at right angles to a plumb line | Unrelated: avenue: a line of approach