a hand tool consisting of two straight arms at right angles; used to construct or test right angles | a characteristic language of a particular group (as among thieves) |
any artifact having a shape similar to a plane geometric figure with four equal sides and four right angles | specialized technical terminology characteristic of a particular subject |
an open area at the meeting of two or more streets | a colorless (or pale yellow or smoky) variety of zircon |
a formal and conservative person with old-fashioned views | |
someone who doesn't understand what is going on | |
the product of two equal terms | |
(geometry) a plane rectangle with four equal sides and four right angles; a four-sided regular polygon | |
something approximating the shape of a square | |