(chess) An unattacked square to which the king can therefore move, usually in the context of checks.

plural of flight square

Synonym of box breathing

simple past tense and past participle of complete the square

Third-person singular simple present indicative form of complete the square

present participle of complete the square

(mathematics) To write a quadratic polynomial in terms of the square of a binomial.

plural of square deal

A deal that is square (equitable); a fair deal.

Not square.