| Webster's Online Dictionary |
| Part of Speech | Definition | |
| Noun | 1. A congenital disorder caused by having an extra 21st chromosome; results in a flat face and short stature and mental retardation.[Wordnet]. | |
Source: WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. | Top | |
| Expressions | Definition | ||
| Down's syndrome | A congenital disorder caused by having an extra 21st chromosome; results in a flat face and short stature and mental retardation. Source: Wordnet 3.0 Copyright © 2006 by Princeton University. All rights reserved. | ||
Source: compiled by the editor from various references; see credits. | Top | ||