1 noun MET electricitytintreach fem2 c m ua flash of lightningsplanc thintrí, scalán tintrí, saighneán masc1, soilse fem4, splanc fem2a ball of lightningcaor thintríthe house was struck by lightningbhuail tintreach an teach, bhuail soilse an teach2 adjective fasta lightning visitcuairt ghearrat lightning speedar luas lasrach