mainline
1 (also main line) noun TRANSP of railwaypríomhlíne fem4 2 adjective TRANSP on railwaypríomhlíne gs as adj 3 adjective mainstreamgnáth- preflárshrutha gs as adjthe mainline churches na gnátheaglaisí, na heaglaisí coitianta 4 verb drug INTRANSITIVEféithigh verb
5 verb informal consume too much of TRANSITIVEtú féin a shacadh leslog siar caith siar she's been mainlining coffee all evening tá sí ag caitheamh siar an chaife an tráthnóna ar fad