Answer: stpats

AnswerCrossword Clue
STPATSMarch 17, for short
STPATSMarch celebration, informally
STPATSMarch 17, familiarly
STPATSParade occasion, for short
STPATSMarch festive date, for short
STPATSChurch on Fifth Ave., familiarly
STPATSMarch observance, for short
STPATSCathedral facing New York's Rock Center
STPATSNYC cathedral
STPATSFestive "Day," for short
STPATSBig Apple cathedral, familiarly
STPATSFifth Ave. cathedral
STPATSCathedral in N.Y.C.
STPATSTourist attraction on N.Y.C.'s Fifth Ave.
STPATSGreen day?