a. [ Cf. F. intermédiaire. ] Lying, coming, or done, between; intermediate; as, an intermediary project. [ 1913 Webster ]
Intermediary amputation (Surg.), an amputation for injury, performed after inflammation has set in. [ 1913 Webster ]
n.; pl. Intermediaries One who, or that which, is intermediate; an interagent; a go-between; a mediator. [ 1913 Webster ]