(A)   Words and phrases shall be construed according to the common and approved usage of the language; but technical words and phrases and such others as may have acquired a peculiar and appropriate meaning in law shall be construed and understood according to such meaning. Except as otherwise specifically defined below for purposes of these airport overlay regulations, definitions generally applicable within the Development Code shall apply herein.
   (B)   Nothing contained within these airport overlay regulations shall be construed as or applied to be substantially inconsistent with an airport approach plan adopted by IDOT Division of Aeronautics, pursuant to ILCS Ch. 620, Act 25, § 12.