INTRANSITIVEseiceáil isteach c m uyou'll have to check in before ten o'clockbeidh ort seiceáil isteach roimh a deich a chlog
TRANSITIVEseiceáil isteach c m uto check in your bagsdo chuid málaí a sheiceáil isteach
2 (v + adv) informal contact sb INTRANSITIVEshe checked in to see how I wasbhuail sí isteach lena fháil amach cad é mar a bhí méI'm just checking in before I go out for the nightníl mé ach ag scairteadh sula dtéim amach don oíche → féach check