bearnaigh1, v.t. (vn. -nú m, gs. -ithe). 1. Breach. Balla a bhearnú, to breach a wall. Lann a bhearnú, to notch a blade. Cruach a bhearnú, to open, take material from, a stack. Airgead a bhearnú, to use up money. (Gan bhriseadh) gan bhearnú, unused; unharmed. 2. Broach, tap. Bairille a bhearnú, to tap a barrel. Crann a bhearnú, to tap a tree.