Source : Webster's Revised Unabridged Dictionary (1913)

Interjacent \In`ter*ja"cent\, a. [L. interjacens, -entis, p. pr.
   of interjacere to lie between; inter between + jac?re to
   lie.]
   Lying or being between or among; intervening; as, interjacent
   isles. --Sir W. Raleigh.