| UDAL | • udal adj. (Shetland, Orkney) Allodial, inalienable. • udal n. (Shetland, Orkney) A freehold; property held by udal, or allodial, right. • UDAL n. a Scottish estate held by the old native form of freehold tenure without feudal superior, also ODAL. | 
| UDALLER | • udaller n. One who holds property by udal, or allodial, right. • UDALLER n. a holder of an udal estate, also ODALLER. | 
| UDALLERS | • udallers n. Plural of udaller. • UDALLER n. a holder of an udal estate, also ODALLER. | 
| UDALS | • udals n. Plural of udal. • UDAL n. a Scottish estate held by the old native form of freehold tenure without feudal superior, also ODAL. | 
| UDDER | • udder n. An organ formed of the mammary glands of female quadruped mammals, particularly ruminants such as cattle… • udder n. (Slang, impolite) A woman’s breast. • UDDER n. a mammary gland. | 
| UDDERED | • uddered adj. Having (a particular kind of) udders. • UDDERED adj. having an udder. | 
| UDDERFUL | • udderful adj. Having a full udder. • udderful n. Enough to fill an udder. • UDDERFUL n. the contents of a full udder. | 
| UDDERFULS | • udderfuls n. Plural of udderful. • UDDERFUL n. the contents of a full udder. | 
| UDDERLESS | • udderless adj. Without udders. • UDDERLESS adj. destitute or deprived of an udder. | 
| UDDERS | • udders n. Plural of udder. • UDDER n. a mammary gland. | 
| UDO | • udo n. Japanese spikenard. • UDO n. (Japanese) a Japanese species of aralia. | 
| UDOMETER | • udometer n. A rain gauge. • UDOMETER n. a rain gauge. | 
| UDOMETERS | • udometers n. Plural of udometer. • UDOMETER n. a rain gauge. | 
| UDOMETRIC | • udometric adj. Relating to udometry. • UDOMETRIC adj. related to the measurement of rain. | 
| UDOMETRIES | • UDOMETRY n. the measurement of rain. | 
| UDOMETRY | • udometry n. Rainfall measurement. • UDOMETRY n. the measurement of rain. | 
| UDON | • udon n. A Japanese wheat noodle. • UDON n. (Japanese) in Japanese cooking, large noodles of wheat flour. | 
| UDONS | • udons n. Plural of udon. • UDON n. (Japanese) in Japanese cooking, large noodles of wheat flour. | 
| UDOS | • UDO n. (Japanese) a Japanese species of aralia. | 
| UDS | • UDS n. Initialism of unscheduled DNA synthesis. • 'uds n. Plural of ’ud. • UDS interj. (archaic) an old interjection meaning 'God Save'. |