under

(ŭnˈdər)

1. a. In a lower position or place than: a rug under a chair.
   b. To or into a lower position or place than: rolled the ball under the couch.
2. Beneath the surface of: under the ground; swam under water.
3. Beneath the assumed surface or guise of: traveled under a false name.
4. Less than; smaller than: The jar's capacity is under three quarts.
5. Less than the required amount or degree of: under voting age.
6. Inferior to in status or rank: nine officers under me at headquarters.
7. Subject to the authority, rule, or control of: under a dictatorship.
8. Subject to the supervision, instruction, or influence of: under parental guidance.
9. Undergoing or receiving the effects of: under constant care.
10. Subject to the restraint or obligation of: under contract.
11. Within the group or classification of: listed under biology.
12. In the process of: under discussion.
13. In view of; because of: under these conditions.
14. With the authorization of: under the monarch's seal.
15. Sowed or planted with: an acre under oats.
16. Nautical Powered or propelled by: under sail; under steam.
17. During the time conventionally assigned to (a sign of the zodiac): born under Aries.

1. In or into a place below or beneath: struggled in the water but then slipped under.
2. In or into a subordinate or inferior condition or position.
3. So as to be covered or enveloped.
4. So as to be less than the required amount or degree.

1. Located or situated on a lower level or beneath something else: the under parts of a machine.
2. Lower in rank, power, or authority; subordinate.
3. Less than is required or customary: an under dose of medication.