Words that start with U

An udder is the part of the female cow or goat that milk comes from. Baby cows or goats drink from their mother's udder, but people also collect the milk using machines so they can sell it in shops.

UFO stands for unidentified flying object. Usually when people say UFO or flying saucer they mean a visiting alien spaceship. Most UFO sightings are eventually identified to be something ordinary, like a weather balloon, an ordinary airplane or a strange cloud.

Uganda is a country in east Africa. The capital of Uganda is Kampala.

Something or someone is ugly if they make you feel bad when you look at them.

The opposite of ugly is beautiful.

A ukelele is a small, four-stringed member of the guitar family. Ukuleles come in four sizes: soprano, concert, tenor, and baritone. They can be played by plucking or strumming them.

The Ukraine is a country in eastern Europe, bordering Russia. The capital of Ukraine is Kiev. People from the Ukraine speak Ukranian.

Ulan Bator is the capital of Mongolia. It has a population of around 1.2 million.

An ultrasound is a medical scan that uses soundwaves to "see" what is happening inside you. Ultrasounds are most often used to look at unborn babies while they are developing.

Uluru, formerly known as Ayer's Rock, is a large rock formation in the center of Australia. It is a sacred site to the native Aborigines.

The umbilical cord connects a developing baby to its mother, via the placenta. The umbilical cord has veins and arteries in it that carry blood between the baby and its mother.

The umbilical cord usually falls off not long after the baby is born.