ciseal

== Irish == === Etymology === From Old Irish cisél. === Pronunciation === IPA(key): /ˈcɪʃəlˠ/ === Noun === ciseal m (genitive singular cisil, nominative plural cisil) layer (geology, biology, computer science) stratum (geology) bed (computer science) tier ==== Declension ==== ==== Synonyms ==== (stratum): sraith ==== Derived terms ==== cisealchlár (“bedding plane”) === Mutation ===