资料来源 : Webster's Revised Unabridged Dictionary (1913)

Dominus \Dom"i*nus\, n.; pl. {Domini}. [L., master. See {Dame}.]
   Master; sir; -- a title of respect formerly applied to a
   knight or a clergyman, and sometimes to the lord of a manor.
   --Cowell.

资料来源 : WordNet®

dominus
     n : a clergyman; especially a settled minister or parson [syn: {dominie},
          {domine}, {dominee}]