| quad | having four sides |
|---|---|
| quad | a square dance of 5 or more figures for 4 or more couples |
| quad | music for dancing the quadrille |
| quad | (in the United States and France) the number that is represented as a one followed by 15 zeros |
| quad | (in Britain and Germany) the number that is represented as a one followed by 24 zeros |
| quad | one part in a quadrillion |
| quad | (obstetrics) woman who has given birth to a viable infant in each of four pregnancies |
| quad | involving four parties |
| quad | of or relating to quadraphony |
| quad | a stereophonic sound recording or reproducing system system using four separate channels |
| quad | paralysis of both arms and both legs |
| quad | a person who is paralyzed in both arms and both legs |