What is the meaning of flooring?

noun

• The inside lower horizontal surface (as of a room, hallway, tent, or other structure. )
  • usage: "they needed rugs to cover the bare floors"; "we spread our sleeping bags on the dry floor of the tent"
  • synonyms: floor
• Building material used in laying floors.

verb

• Surprise greatly; knock someone's socks off.
  • usage: "I was floored when I heard that I was promoted"
  • synonyms: shock, floor, ball over, blow out of the water, take aback
• Knock down with force.
  • usage: "He decked his opponent"
  • synonyms: deck, coldcock, dump, knock down, floor