Definitions for DOMdɒm; for 2 also Port. dɔ̃

Random House Webster's College Dictionary

domdɒm; for 2 also Port. dɔ̃(n.)

(sometimes cap.) a title of a monk in certain monastic orders.
Category: Religion
(usu. cap.) a Portuguese title affixed to a man's given name; Sir: formerly a title of certain dignitaries.

Origin of dom:

1710–20; short for L dominus lord, master

-dom

a suffix forming nouns that refer to domain (kingdom), collection of persons (officialdom), rank or station (earldom), or general condition (freedom).
Category: Affix

Origin of -dom:

ME; OE -dōm; c. ON -dōmr, G -tum; see doom

Dom.

Dominica.
Dominican.

dom.

domain.
domestic.
dominant.
dominion.

Wiktionary

dom(Noun)
A male dominator (in sadomasochistic sexual practices); feminine domme
dom(Verb)
to dominate

Origin: From Proto-Germanic *dōmi, first-person singular of dōnan, from dhē-. Akin to Old High German tuom "I do", Old English eom "I am". More at do, am.

Webster Dictionary

Dom(noun)
a title anciently given to the pope, and later to other church dignitaries and some monastic orders. See Don, and Dan
Dom(noun)
in Portugal and Brazil, the title given to a member of the higher classes