| Word | Definitions | Synonyms |
|---|---|---|
| decubitus | (noun) a reclining position (as in a bed) | - |
| decumary | (noun) woody climber of southeastern United States having white flowers in compound terminal clusters | Synonyms: Decumaria barbara, Decumaria barbata |
| decussation | (noun) an intersection or crossing of two tracts in the form of the letter X | Synonyms: chiasm, chiasma |