sú1, m. (gs. ~, pl. ~nna).1. Juice. (a)~ líomóidí, oráistí, lemon-, orange-, juice. Diúl an ~ as, suck the juice out of it. (b)~ tobac, nicotine. (c) (Of beverages) ~ na heorna, juice of barley, whiskey. ~ na fíniúna, wine. (d) (Of milk) ~ na cíche, breast-milk. (e) (Of blood) ~ a chroí, a uchta, his heart’s blood. 2. Sap; vigour, energy. ~ crainn, sap of tree. Talamh gan ~, sapless soil. Bhain tú an ~ as, you took the sap, the good, out of it. Is glas a shú, it is poor nourishment; it is not a great benefit. Níl mórán ~ fágtha anois ionam, there is not much sap left in me now. S.a. seamhar. 3. Soup. ~ circe, chicken soup. ~ caoireola, mutton broth.
sú2, f. (gs. ~, pl. ~tha). (Red)berry. ~ craobh, raspberry. ~ talún, strawberry.
sú3, m. (gs. ~ite).1. vn. of súigh. 2. Absorption, suction. ~ uisce, teasa, absorption of water, of heat. ~ bia, assimilation of food. ~ trá, suction of receding tide. Tá ~ san aimsir seo, the ground dries quickly in weather like this. ~ ribeach, capillary attraction. Gléas ~ite, suction apparatus. S.a. comhla 3 (c), páipéar 1, poll19. 3. Ch: Occlusion. ~ gás, occlusion of gases.