second-level domain

Noun

 * 1)  A domain that is immediately subordinate to a top-level domain (whose name appears after it, with a period separating the two).
 * Wiktionary.org is a second-level domain, part of the org top-level domain.

Translations

 * Bulgarian: доме́йн от вто́ро ниво́
 * Polish: domena drugiego poziomu