mast1, s.1Nau: Crann m; crann seoil. Lower mast, crann beag. Before the mast, ar tosach. To sail before the mast, bheith i do mhairnéalach coitianta. 2Cuaille m (leictreachais, etc.).
mast2, v.tr.Cuirim crann (i long).Three-masted, four-masted ship, long trí chrann, ceithre chrann.