The Collaborative International Dictionary of English v.0.48:

Below \Be*low"\, prep. [Pref. be- by + low.]
   1. Under, or lower in place; beneath not so high; as, below
      the moon; below the knee. --Shak.
      [1913 Webster]

   2. Inferior to in rank, excellence, dignity, value, amount,
      price, etc.; lower in quality. "One degree below kings."
      --Addison.
      [1913 Webster]

   3. Unworthy of; unbefitting; beneath.
      [1913 Webster]

            They beheld, with a just loathing and disdain, . . .
            how below all history the persons and their actions
            were.                                 --Milton.
      [1913 Webster]

            Who thinks no fact below his regard.  --Hallam.
      [1913 Webster]

   Syn: Underneath; under; beneath.
        [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Below \Be*low"\, adv.
   1. In a lower place, with respect to any object; in a lower
      room; beneath.
      [1913 Webster]

            Lord Marmion waits below.             --Sir W.
                                                  Scott.
      [1913 Webster]

   2. On the earth, as opposed to the heavens.
      [1913 Webster]

            The fairest child of Jove below.      --Prior.
      [1913 Webster]

   3. In hell, or the regions of the dead.
      [1913 Webster]

            What business brought him to the realms below.
                                                  --Dryden.
      [1913 Webster]

   4. In court or tribunal of inferior jurisdiction; as, at the
      trial below. --Wheaton.
      [1913 Webster]

   5. In some part or page following.
      [1913 Webster]

WordNet (r) 3.0 (2006):

below
    adv 1: in or to a place that is lower [syn: below, at a lower
           place, to a lower place, beneath] [ant: above,
           higher up, in a higher place, to a higher place]
    2: at a later place; "see below" [ant: above, supra]
    3: (in writing) see below; "vide infra" [syn: below, infra]
    4: on a floor below; "the tenants live downstairs" [syn:
       downstairs, down the stairs, on a lower floor, below]
       [ant: on a higher floor, up the stairs, upstairs]
    5: further down; "see under for further discussion" [syn:
       under, below]

Moby Thesaurus II by Grady Ward, 1.0:

52 Moby Thesaurus words for "below":
   adown, at a disadvantage, at the nadir, behind, below deck,
   below par, below the mark, belowstairs, beneath, beneath the sky,
   down, down below, down south, downgrade, downhill, downline,
   downright, downstairs, downstream, downstreet, downtown, downward,
   downwards, downwith, following, hellishly, here, here below,
   in hell, in hellfire, in the gutter, in the world, infernally,
   infra, least, least of all, less, neath, next, on earth, short of,
   since, subordinate to, subsequent to, unbefitting, under,
   under heaven, under par, under the stars, under the sun, underfoot,
   underneath



Bouvier's Law Dictionary, Revised 6th Ed (1856):

BELOW. Lower in place, beneath, not so high as some other thing spoken of,
of tacitly referred to.
     2. The court below is an inferior court, whose, proceedings may be
examined on error by a superior court, which is called the court above.
     3. Bail below is that given to the sheriff in bailable actions, which
is so called to distinguish it from bail to t-he action, which is called
bail above. See Above; Bail above; Bail below.