1 noun supporttacaíocht fem3 c m uto get financial backing from sb for a projecttacaíocht airgid a fháil ó dhuine do thionscadal2 noun layer on back of sthtaca masc4 c m utacú masc c m uit has a wooden backingtá taca adhmaid leisbacking fabricfabraic thaca3 noun MUS accompanimenttionlacan masc1 c m ubacking singeramhránaí tionlacainbacking trackfuaimrian tacabacking vocalsfonnadóireacht taca