'Feu' definitions:
- Feu \Feu\ (f[=u]), n. [See 2d Feud, and Fee.] (Scots Law)
A free and gratuitous right to lands made to one for service
to be performed by him; a tenure where the vassal, in place
of military services, makes a return in grain or in money.
--Burrill.
[1913 Webster]