ais1, s. Back. (In adv. phrases) Ar ~, back; again. Cuir ar ~ é, send, put, it back. D’fhill mé ar m’~, I retraced my steps. Droim ar ~, reversed; upside down. Ar ~ arís, back again. Le h~, beside, compared with. Gabhaim le m’~, I undertake. Ligim le m’~ (go), I admit (that). S.a. arís.
ais2, f. (gs. ~e, pl. ~eanna). Axis. Bealach ~e, axial route. Geom:~ na siméadrachta, axis of symmetry.
ais3, s. (In phrase) Ar ~ nó ar éigean, willingly or unwillingly; at all costs.