n.1 an area under one rule; a realm.
2 an estate or lands under one control.
3 a sphere of control or influence.
4 Math. the set of possible values of an independent variable.
5 Physics a discrete region of magnetism in ferromagnetic material.
Derivatives:
domanial adj.
Etymology: ME f. F domaine, OF demeine DEMESNE, assoc. with L dominus lord