manhole/ˈmænhəʊl/EtymologyFrom man + hole.nounA hole in the ground used to access the sewers or other underground vaults and installations.“The king had scarce ceased to writhe, When hate gave a terrible laugh, Like a manhole opened to Hell.”A hole providing access to the inside of a boiler, tank etc.The anus of man, in a sexual context.“For quotations using this term, see Citations:manhole.”The vulva or vagina of a trans man.