memory hole UK /ˈmɛm(ə)ɹi ˌhəʊl/US /ˈmɛm(ə)ɹi ˌhoʊl/noun 3memory-hole verb 1forms 4 noun3 •A figurative place to which information is deliberately sent to be forgotten, or to which forgotten or lost information ends up; nowhere, oblivion. •A fragment of physical address space which does not map to main memory. •(rare) Synonym of memory leak (“any of several faults in the memory allocation logic of a computer or program whereby parts of memory become hidden or unusable”).When Lighttpd finishes, it calls mod_helloworld_free to release the memory held by plugin_data. Beware that not freeing the plugin_data creates a memory hole. — 2008 memory-hole verb1 •To cause something or someone to be forgotten.[…] since the stage was a classic and had been around a long time, most people still called it by its original and now memory-holed name. — 2009 formsmemory-holed · memory-holing · memory-holes · memory holes