| Word | Definitions | Synonyms |
|---|---|---|
| umbel | (noun) flat-topped or rounded inflorescence characteristic of the family Umbelliferae in which the individual flower stalks arise from about the same point; youngest flowers are at the center | - |
| umbellifer | (noun) any of numerous aromatic herbs of the family Umbelliferae | Synonyms: umbelliferous plant |
| umber | (noun) a medium brown to dark-brown color | Synonyms: burnt umber, chocolate, coffee, deep brown |
| (noun) an earth pigment | - |