leas1, m. (gs. ~a).1. Good, well-being, benefit, interest. (a)Do ~ a dhéanamh, to do what is good for oneself. Duine a chur ar a ~, ar bhealach a ~a, to set s.o. on the right course. Comhairle a ~a a thabhairt do dhuine, to give s.o. good advice. Lena ~ a rinne mé é, I did it for his own good. Ní le do ~ atá siad, they are not working in your interest. Is é do ~ é, it is to your advantage. B’fhéidir gurb é lár a ~a é, it may be all for his good. Níor tháinig lá dá ~ ach é, it was the best thing that could happen him. Tá do ~ romhat (agus go mbeire tú air), your fortune lies before you (and may you catch up with it). Níl a fhios aige cá bhfuil a ~, he doesn’t know where his interest lies. Bíodh sé le mo ~ nó le m’aimhleas, whether it be the making or the unmaking of me. Go gcuire Dia ar do ~ thú, God grant that you do what is best. Má tá do ~ ar Dhia, if you want God’s guidance. ~ an anama, the good of the soul. ~ na tíre, the good of the country. ~ an phobail, the common good. (b)~ a bhaint as rud, to benefit by sth.; to put sth. to account, to avail oneself of sth. (c) (In phrase) (Ní)ligim a ~ (rud a dhéanamh), I (do not) need (to do sth.). 2. Manure, fertilizer. ~ a chur ar thalamh, to manure land. Tá sé ag déanamh ~a don talamh, it is enriching the soil. ~ farraige, seaweed manure. ~ ceimiceach, chemical fertilizer.