A type of dance in which eight dancers are arranged in a square as four couples, with a caller calling or singing out the movements that the dancers are to perform.

plural of square sail

(nautical) A sail bent to a horizontal yard set athwartships.

(genetics) A graphical representation used to determine the probability of an offspring expressing a particular genotype.

plural of Punnett square

(geometry) A three-dimensional geometric figure with a square base and four triangular sides that connect at one point. An example is the Great Pyramid of Giza.

plural of square pyramid

A wide intersection in New York City extending from 42nd to 47th Streets where Broadway and Seventh Avenue intersect in Manhattan.

(cricket) A shot played by swinging the bat down through the line of the ball, hitting it along the ground in the direction of point.

A rule with a short perpendicular crosspiece at one end, used by draughtsmen to draw parallel lines.