a characteristic language of a particular group (as among thieves) | a hand tool consisting of two straight arms at right angles; used to construct or test right angles |
specialized technical terminology characteristic of a particular subject | any artifact having a shape similar to a plane geometric figure with four equal sides and four right angles |
a colorless (or pale yellow or smoky) variety of zircon | an open area at the meeting of two or more streets |
| 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 |