0 in or to a position below or lower than something else, often so that one thing covers the other: --
Custard? That comes under Desserts.
Books on Ansel Adams will probably be under Art or Photography.
They stood under a tree (= below its branches) to avoid getting wet.
She was holding a folder under her arm (= between her upper arm and the side of her body).
She put the thermometer under my tongue.
In AD 79 the city of Pompei was buried under a layer of ash seven metres deep.
1 less than: --
2 happening during, as a result of, or according to a particular situation, event, rule, etc.: --
old-fashioned She's been under the doctor for a viral infection.
She'll have to go under anaesthetic for the operation.
The proposals are now under consideration by the Board of Governors.
Under the current rules, you need the agreement of at least 6 out of 10 committee members.
The chair broke under his weight (= because he was too heavy for it).
Now that the deadline is approaching we all feel under pressure.
The work was completed under very difficult conditions.
3 controlled or governed by a particular person, organization, or force: --
He's under doctor's orders (= has been told by a doctor) to cut down on fatty food and to drink no alcohol for at least six months.
People born under (= during the period of) the zodiac sign Pisces are supposed to be dreamy and artistic.
I wonder what Britain was like under the Romans (= during the time when the Romans controlled Britain).
He's a Colonel, with hundreds of soldiers under him (= obeying his orders).
4 using a particular name, especially one that is not your real name: --
5 below the surface of something: --
She was stuck on the other side of a locked door, but I got the key and slid it under to her.
"Oh no, it's starting to rain." "I've got my umbrella - quick, get under."
A big piece of rope netting was laid on the ground and we had to crawl under as quickly as we could.
The waves came crashing over my head and I could feel myself being sucked under by the currents.
Eastern Slavonia is to revert to Croatian government rule next year after a transitional period under U.N. administration.
Sleeping Beauty lay under the wicked fairy's spell until the prince woke her with a kiss.