/in'teuhr mee"dee er'ee/ , n. , pl. intermediaries , adj.
n.
1. an intermediate agent or agency; a go-between or mediator.
2. a medium or means.
3. an intermediate form or stage.
adj.
4. being between; intermediate.
5. acting between persons, parties, etc.; serving as an intermediate agent or agency: an intermediary power.
[ 1785-95; intermedi ( um ) intervening place + -ARY; see INTERMEDIATE 1 ]
Syn. 1. arbitrator, umpire.