[adjective] [before noun; not gradable] [literary or humorous] - in a lower positionThe boiler room is somewhere down in the building's nether regions. [before noun](figurative) The secret service decided that his terrorist talents could be useful, so he spent ten years in the nether (= hidden) world of military intelligence. [before noun]
NETHER
Meaning of NETHER in English
Cambridge English vocab. Кембриджский английский словарь. 2012