| A | B |
|---|
| quadrangle | a four-sided enclosure, usually surrounded by buildings |
| quadrant | one out of four equal parts of a circle or grid |
| quadrennial | happening every four years |
| quadriceps | a muscle group consisting of four muscles that is located in the thigh |
| quadrilateral | a figure that has four sides (square, rectangle, etc. |
| quadrilingual | the ability to speak four languages |
| quadrisect | to cut or divide into four equal parts |
| quadruped | an animal with four feet |
| quadruple | to create four times as much or as many |
| quadruplets | four babies born from the same mother at the same time |
