An individual or company that engages in the buying, selling, marketing, monetization and publishing of Internet domain names.

plural of domainer

(wine) A vineyard or wine estate, especially in France.

plural of domain

A geographic area owned or controlled by a single person or organization. / A field or sphere of activity, influence or expertise. / A group of related items, topics, or subjects.

plural of domaine

(Internet) The buying and selling of domain names. / The identification of anthropological (and other) domains.

(in combination) Having a specified kind or number of domains.

Of or relating to a domain.

(logic) In predicate logic, an indication of the relevant set of entities that are being dealt with by quantifiers.