D defs.my
Entry 1 sense Webster, 1913

Interjacence

· In·ter·ja·cence · IPA /ˌɪntəɹˈd͡ʒeɪsəns/
01 n. The state of being between; a coming or lying between or among; intervention; also, that which lies between.
  1. 1.
    The state of being between; a coming or lying between or among; intervention; also, that which lies between.
    “England and Scotland is divided only by the interjacency of the Tweed.” Sir M. Hale.