1 noun GOV of government, organisationroinn fem2 c m urannóg fem2 c m ua letter was sent to all departmentscuireadh litir chuig na ranna ar fadthe Department of EducationAn Roinn Oideachaishe worked in the accounts departmentbhí sé ag obair i rannóg na gcuntasa lecturer in the history departmentléachtóir i roinn na staire2 noun of storerannóg fem2 c m uthe toy departmentrannóg na mbréagán3 noun area of expertiseI thought pubs were your departmentcheap mé gur saineolaí thusa ar thithe tábhairneopera wasn't Sinéad's departmentní raibh spéis ag Sinéad i gceoldrámaíthat's not my departmentníl aon chur amach agam air sin, ní hé sin an réimse eolais agamsa4 noun usually humorous aspecthe's a bit lacking in the sympathy departmentní hé is tuisceanaíshe has no worries in the height departmentní gá di a bheith buartha faoina hairde