1.(control)统治；管辖；支配
2.(area of land under sb's rule)领土；领地；版图
The Republic is a dominion of the Brazilian people.这个共和国是巴西人民的领土。
3.(sphere of influence)势力范围；控制区域
4.(formerly, of the British Empire)(英国的)自治领
South Africa was created as a dominion of Great Britain in 1910.南非在1910年成为英国的自治领。
5.the Dominion
(New Zealand)新西兰