Added 10 October 2026 airline /ˈɛəˌlaɪn/ noun Categories: ThingsUncommon Words noun ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about airline at Wordnik → Where our words come from → A company that flies airplanes to transport people and goods. Origin From air + line. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: airwayairlinerairspaceaviationairportjetlinerairfareairplaneaeroplaneaeronauticairlift Back to today's word