under >> ˈʌndə
Definition: [preposition] extending or directly below.
Example: vast stores of gas under the North Sea
Definition: [preposition] at a lower level than.
Example: the room under his study
Definition: [preposition] lower than (a specified amount, rate, norm, or age).
Example: they averaged just under 2.8 per cent
Definition: [preposition] controlled, managed, or governed by.
Example: the province is now under martial law
Definition: [preposition] undergoing (a process).
Example: under construction
Definition: [adverb] extending or directly below something.
Example: weaving the body through the crossbars, over and under, over and under
Definition: [adverb] under water.
Example: he was floating for some time but suddenly went under