Belmarsh

== English == === Etymology === (This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.) === Pronunciation === IPA(key): /ˈbɛlmɑː(ɹ)ʃ/ === Proper noun === Belmarsh Ellipsis of HM Prison Belmarsh, a high-security prison in southeast London. Synonym: (slang) Hellmarsh