Dictionary.net

• In law, that clause in a deed wherein the tenure of the land is created and limited. Its office is to limit and appoint the tenure of the land which is held, and how and of whom it is to be held.

1899 - The american dictionary of the english language.
By Daniel Lyons

• t[=e]-nen'dum, n. that clause in a deed wherein the tenure of the land is defined and limited. [L., neut. of tenendus, ger. of ten[=e]re, to hold.]

1908 - Chambers's Twentieth Century Dictionary of the English Language
By Thomas Davidson