| UMBELLATED | • umbellated adj. Bearing umbels. • UMBELLATED adj. having umbels, also UMBELLATE. |
| UMBELLIFER | • umbellifer n. Any plant of the family Apiaceae, also called Umbelliferae, whose inflorescence is an umbel, such as… • UMBELLIFER n. a plant producing an umbel or umbels. |
| UMBELLULES | • umbellules n. Plural of umbellule. • UMBELLULE n. a partial umbel, also UMBELULE. |
| UMBILICALS | • umbilicals n. Plural of umbilical. • UMBILICAL n. the umbilical cord. |
| UMBILICATE | • umbilicate adj. Having a navel. • umbilicate adj. (Mycology, of a mushroom etc.) Having a small umbo in a central depression, or a depression in the center of the cap. • umbilicate adj. (Botany) Supported by a central stalk. |
| UMBILIFORM | • umbiliform adj. Shaped like an umbilicus. • UMBILIFORM adj. shaped like an umbilicus. |
| UMBONATION | • umbonation n. An umbo. • umbonation n. The formation of an umbo. • UMBONATION n. the state of being umbonate, having a central boss. |
| UMBRACULUM | • umbraculum n. (Botany) Any umbrella-shaped appendage, such as the cap borne on the seta of Marchantia. • UMBRACULUM n. (Latin) an umbrella or umbrella-like structure. |
| UMBRAGEOUS | • umbrageous adj. Having shade; shady; having shade provided by thick foliage. • umbrageous adj. (Figuratively) Irritable, easily upset. • UMBRAGEOUS adj. shady. |
| UMBRATICAL | • umbratical adj. Alternative form of umbratic. • UMBRATICAL adj. of or pertaining to the shade or darkness, also UMBRATIC. |
| UMBRATILES | • umbratiles n. Plural of umbratile. • UMBRATILE n. a person who spends his or her time in the shade or shadows. |
| UMBRELLAED | • umbrellaed adj. Covered by or carrying an umbrella. • umbrellaed adj. (Figuratively) Under an umbrella. • umbrellaed v. Simple past tense and past participle of umbrella. |
| UMBRELLOES | • umbrelloes n. Plural of umbrello. • UMBRELLO n. (obsolete) an umbrella. |
| UMPIRESHIP | • umpireship n. The post or office of umpire. • umpireship n. Arbitration. • UMPIRESHIP n. umpirage; arbitrament. |
| UMPTEENTHS | • UMPTEENTH n. an indefinitely large number in a sequence, also UMPTIETH, UMTEENTH. |