osteilgeoir

== Irish == === Etymology === From os- +‎ teilgeoir. === Noun === osteilgeoir m (genitive singular osteilgeora, nominative plural osteilgeoirí) overhead projector ==== Declension ==== === Mutation === === References === Ó Dónaill, Niall (1977), “osteilgeoir”, in Foclóir Gaeilge–Béarla, Dublin: An Gúm, →ISBN “osteilgeoir”, in New English-Irish Dictionary, Foras na Gaeilge, 2013–2026