The Collaborative International Dictionary
Lunar \Lu"nar\, n.
(Astron.) A lunar distance.
(Anat.) The middle bone of the proximal series of the carpus; -- called also semilunar, and intermedium.
Wiktionary
n. 1 An intermediary 2 (context anatomy English) A central carpal bone or tarsal bone
WordNet
Wikipedia
Usage examples of "intermedium".
Usually, in telegraphy, this work consists in sending over a line of a certain resistance intermittent currents, through the intermedium of suitable manipulators.
There were knots of half-grown men on the corners of the street and about the adjacent pot-houses who were driving a good traffic in tickets, and other knots of creatures, neither men nor boys, but that New York intermedium, who has lost the honesty of the boy without gaining the manliness of the man, were speculating upon the probabilities of a fight, and expressing very decided opinions as to the possibility of licking the Frenchmen who would endeavor to keep them out or keep them orderly after they got in.