allas, m. (gs. -ais).1. Sweat, perspiration. Ag cur allais, sweating. S.a. cáith22. Tá ~ leis, he is perspiring. Tá brat, slaod, allais air, he is covered with sweat. Tá ~ taisligh ar na ballaí, there is a damp sweat on the walls. ~ fola, bloody sweat. As ~ a mhalaí, by the sweat of his brow. Chuir sé ~ na gcnámh, he sweated hard; he worked hard for a living. Is ann a d’fhág sé a chuid allais, he worked the best years of his life there. Is iomaí lá de mo chuid allais aige, I worked many a hard day for him. 2. (In phrase) ~ an diabhail (de ghasúr), a limb of Satan, a scamp (of a boy). 3. Bot:~ Muire, St. John’s wort. 4. (As vn.)Ag ~, sweating.