Wiktionary
n. An apartment which covers the entire depth of a building.
Usage examples of "floor through".
She pulled me to the floor through bars of hot sunlight from the window.
He ran fingers through his hair, staring at the tile floor through thick spectacles.
He attempted to enter the upper floor through the open dormer window and discovered, without surprise, a second wall, just behind the window, of solid iron-plate.
There was a small door in the front of my cage near the floor through which the food could be passed to me.
Then, Judith lowered her hands and stared at the floor through tear-filled eyes.
Gibbering and sweating in panic, he let himself be led to the floor through a forest of astonished faces.
He drew out his medallion and surveyed the floor through the Aperture of True Vision to see if he could spot the rough patch where Buldram had picked up the splinter.
A ladder led up to the second floor through a hole in the ceiling.
Descending toward the floor through Beauray's efforts, she was being drawn right into its jaws, bubble and all.