noun
or non·en·tresse (ˈ)näˈnen.trə̇s
( plural non·entreses or nonentresses )
Etymology: Middle English (Scots) none entress, from none-, non- non- (I) + entress, entres entrance, entry, from Middle English entren to enter + -ess, -es, -esse (as in duresse duress, restraint) — more at enter
Scots feudal law : failure of an heir to land to make an entry thereon and to obtain investiture of the feu from the superior ; also : the feudal casualty arising from such failure