treabh1, v.t. & i. (pp. -afa). 1. Plough. (a)Talamh a threabhadh, to plough land. S.a. iomaire 1. (b)(Of ship)An fharraige a threabhadh, to plough the seas. Ag ~adh na dtonn, ploughing the waves. (c) Advance steadily or laboriously. Ag ~adh chun cinn, forging ahead. Bím ag ~adh liom, I keep plodding along. (d) Work. Caithfidh sé ~adh as a eireaball féin feasta, he must strike out for himself from now on. Caithfidh tú ~adh nó tiomáint, you must either lead or drive. (e) Work in harmony (le, with). Níl siad ag ~adh le chéile, they are not getting along together. Caithfidh tú ~adh leo, you must put up with them. (f)(Of sick person) Labour through. Ní threabhfaidh sé an oíche, he will not last out the night. (g) Furrow. Tá a aghaidh treafa ag an aois, age has furrowed his face. 2. Lit:(a) Till, cultivate. (b) Occupy, inhabit.