aerach, a1. 1. Airy. Áit ard ~, high airy place. Amharc ~, airy, pleasant, view. 2. (a) Light-hearted, gay; lively, frolicsome. Caint ~, gay, frivolous, talk. Is ~ an mac é, he is a merry lad. Chomh h~ le meannán, le druid, as lively as a kid, as carefree as a starling. (b) Flighty, giddy. Cailín ~, a giddy girl. S.a. fiabhras, meannán12, meas13. 3 = aerachtúil.