\Where*as"\, adv.
At which place; where. [Obs.] --Chaucer.
      At last they came whereas that lady bode. --Spenser.

\Where*as"\, conj.
1. Considering that; it being the case that; since; -- used
   to introduce a preamble which is the basis of
   declarations, affirmations, commands, requests, or like,
   that follow.
2. When in fact; while on the contrary; the case being in
   truth that; although; -- implying opposition to something
   that precedes; or implying recognition of facts, sometimes
   followed by a different statement, and sometimes by
   inferences or something consequent.
         Are not those found to be the greatest zealots who
         are most notoriously ignorant? whereas true zeal
         should always begin with true knowledge. --Sprat.