From BiblePortal Wikipedia

Webster's Dictionary [1]

(1): ( n.) A concave molding used especially in classical architecture.

(2): ( n.) Scotland

Cyclopedia of Biblical, Theological and Ecclesiastical Literature [2]

( Σκοτία , dark),or Trochilus, a hollow moulding constantly used in the bases of columns, etc., in classical architecture. The old English name for a corresponding moulding very frequently employed in Gothic architecture is Casement. (See Column).