How many square feet is a room 13 feet long and 13 feet wide? Multiply 13 x 13, that comes to 169 square feet. How many square feet in a room that is 10 feet long by 11 feet wide?   Square feet is figured by multiplying the two sides together. A room 10 ft by 11 ft is: 10 X 11 = 110 square feet.
Noun. 1. name day-the feast day of a saint whose name one bears. saint's day-a day commemorating a saint.
Webster Dictionary (0.00 / 0 votes) Rate this definition: Day (noun) the time of light, or interval between one night and the next; the time between sunrise and sunset, or from dawn to darkness; hence, the light; sunshine. Day (noun) the period of the earth's revolution on its axis. -- ordinarily divided into twenty-four hours.