n. A platform of a staircase where the stair turns back in exactly the reverse direction of the lower flight.
the GNU version of the Collaborative International Dictionary of English
n. A platform of a staircase where the stair turns back in exactly the reverse direction of the lower flight. See quarterpace.
The Century Dictionary and Cyclopedia
n. In architecture, same as foot-pace, 3.
n. A landing in a stair which separates two flights of stairs. It differs from quarter-pace in that it crosses the ends of both flights, so that the direction of the stairs is completely changed.