An Encylopedia Britannica Company

premise

premise /ˈprɛməs/ noun
plural premises
premise
/ˈprɛməs/
noun
plural premises
Britannica Dictionary definition of PREMISE
premises [plural] : a building and the area of land that it is on
[count] formal also British premiss : a statement or idea that is accepted as being true and that is used as the basis of an argument

off the premises

also off premises
: away from or outside of a building or the area of land that it is on

on the premises

also on premises
: inside a building or on the area of land that it is on