Topic: EDUCATION
Sense: 1
| Date: | 1800-1900 |
| Origin: | quadrangle |
| Date: | 1800-1900 |
| Origin: | quadruplet |
| Date: | 1900-2000 |
| Origin: | quadriceps |
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quad
[countable]
[countable]1SE informal a square open area with buildings all around it, especially in a school or college
2HBH informal a quadruplet
