“Stooping to the floor” means bending your body forward and down until you are low enough to reach the floor, usually to pick something up, tie a shoe, or look at something near the ground. It can also simply mean having a bent-over posture.

Simple examples

  • “She stooped to the floor to grab the pen.”
  • “He was stooping to the floor to clean under the table.”

Related meaning

Sometimes stoop can also mean lowering yourself morally or socially, but in your phrase it is almost certainly the physical meaning.

Plain-English version

Think: “bend down toward the floor.”