¹ square noun

• a four-sided shape that is made up of four straight sides that are the same length and that has four right angles —often + of
• any of the squares on a board for playing games (such as chess and checkers)
• the number that results from multiplying a number by itself

² square adjective

• shaped like a square : having four straight sides that are the same length and four right angles at each corner
• forming a right angle
• —used to describe a measurement that is produced by multiplying something's length and width

³ square verb

• to make (something) square : to give (something) straight edges, flat surfaces, or sharp, even corners —often + off
• to multiply (a number) by itself —usually used as (be) squared
• to pay money that is owed for (something) —often + up

⁴ square adverb

• in a direct way