The Collaborative International Dictionary
M'etayer
M'etayer \M['e]`ta`yer"\ (F. ?; E. ?), n. [F., fr. LL.
medietarius, fr. L. medius middle, half. See Mid, a.]
One who cultivates land for a share (usually one half) of its
yield, receiving stock, tools, and seed from the landlord.
[France & Italy]
--Milman.