be·low 
(bĭ-lō)
(bĭ-lō)adv.
1. In or to a lower place; beneath.
2.
a. On or to a lower floor; downstairs.
b. Nautical On or to a lower deck.
3. In a later part of a given text: figures quoted below.
4. Farther down, as along a slope or valley.
5. In or to hell or Hades.
6. On the earth.
7.
a. In a lower rank or class.
b. Below zero in temperature: 40° below.
prep.
1. Underneath; beneath.
2. Lower than, as on a graduated scale.
3. Downstream of: launched the canoe just below the bridge.
4. South of: Guatemala is below Mexico.
5. Unsuitable to the rank or dignity of: Such petty behavior is below me.
[Middle English bilooghe : bi, by; see BY1 + loghe, low; see LOW1.]