geisli

== Icelandic == === Etymology === From Old Norse geisli, from Proto-Germanic *gaisilaz (“stick, beam”). === Pronunciation === IPA(key): /ˈceistlɪ/ Rhymes: -eistlɪ === Noun === geisli m (genitive singular geisla, nominative plural geislar) beam, ray (of light, radio waves, showing control, etc.) (geometry) radius Synonym: radíus m ==== Declension ==== ==== Derived terms ==== === Further reading === Ásgeir Blöndal Magnússon (1989), “geisli”, in Íslensk orðsifjabók, Reykjavík: Árni Magnússon Institute for Icelandic Studies, →ISBN (Available at Málið.is under the “Eldri orðabækur” tab.)