What is the meaning of Under?

At the bottom of or in the area covered or surmounted by.

Below the surface of.

From one side of to the other, passing beneath.

Less than.

Subordinate to; subject to the control of; in accordance with; in compliance with.

Within the category, classification or heading of.

In the face of; in response to (some attacking force).

Using or adopting (a name, identity, etc.).

In or to a lower or subordinate position, or a position beneath or below something, physically or figuratively.

So as to pass beneath something.

Less than what is necessary to be adequate or suitable; insufficient.

In or into an unconscious state.

Lower; beneath something.

In a state of subordination, submission or defeat.

Under anesthesia, especially general anesthesia; sedated.

Insufficient or lacking in a particular respect.

Down to defeat, ruin, or death.

The amount by which an actual total is less than the expected or required amount.

underwear (Classifier: c)

to be under; to be subordinate to

to underexpose

under

underneath

below

during

under

wonder

marvel

miracle

bottom (part)

present tense of unde

first-person singular present passive subjunctive of undō

under

among

below; beneath

during

under

wonder, marvel, miracle

below, beneath, under

during

wonder, marvel, miracle

under

under

among

wonder, miracle

wonderment, awe, marvel

under; below; beneath

during, at the same time as

wonder, miracle

Source: wiktionary.org