adjective
[ only before noun ] existing or happening within a company or an organization :
an in-house magazine
in-house language training
adjective
[ only before noun ] existing or happening within a company or an organization :
an in-house magazine
in-house language training
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005