preposition
What is under that blanket? The wreck lies a mile under the surface
The bashibazouks were under the sultan's top officers
This should be under the heading, 'What is the Stupidest Thing you have done Today?' Under which category is 'Software'?
The prince was trained under the grand vizier
I paid under œ200 for my VCR
The police charged him with driving while under the influence
adverb
You looked on top of the bed, but have you looked under?
We watched helpless as he went under for the third time