domain name 1) a designation of the place (toponym) or jurisdiction, such as England (a nation), Eggerton (a manor), the House of Representatives (a government body); in government and ecclesiastical titles the d. n. follows the position (and any nobiliary) whereas in the British nobility it may follow the title (and any nobiliary) as a territorial suffix; the d. n. is introduced in PS-RULES [PS6], [PS15] & [BP5]; cf. Chapter 3, §3, ¶9 & ¶10 2) the d. n. as part of a title may become part of a locality name as described in PS-RULE LP6, e.g., “Prince of Wales Island,” where Wales is a country in Britain for whom the prince was named, but the island in Alaska was named for him