plánach

== Irish == === Etymology === From plána (“flat surface, plane”) +‎ -ach (adjectival suffix). === Adjective === plánach (genitive singular masculine plánaigh, genitive singular feminine plánaí, plural plánacha, comparative plánaí) plane, planar ==== Declension ==== ==== Derived terms ==== péist phlánach (“flatworm”) === Mutation === === References === Ó Dónaill, Niall (1977), “plánach”, in Foclóir Gaeilge–Béarla [Irish–English Dictionary], Dublin: An Gúm, →ISBN