The Collaborative International Dictionary
Interjacent
Interjacent \In`ter*ja"cent\, a. [L. interjacens, -entis, p. pr.
of interjacere to lie between; inter between + jac[=e]re to
lie.]
Lying or being between or among; intervening; as, interjacent
isles.
--Sir W. Raleigh.
Douglas Harper's Etymology Dictionary
Wiktionary
interjacent
a. situated between; lying among.