Crossword clues for What cork is. 4 letters:CORKRepressCORKWine bottle plugCORKStop upCORKMagnum stopperCORKJanuary 1 popperCORKTop to be poppedCORKCobh's countyCORKChampagne sealerCORKRed cap?CORKPopped topCORKScrew cap alternativeCORKStoppleCORKSort of stopperCORKPotential party projectileCORKWine bottle topperCORKSommelier's offeringCORKIrish seaportCORKWine bottle stopperCORKCounty of the Blarney StoneCORKChampagne stopper or popperCORKIreland's largest countyCORKOne removed by a wine loverCORKMerlot stopperCORKJug plugCORKParty popperCORKWine bottle featureCORKPopgun projectileCORKPort five miles from the Blarney StoneCORKOak-bark productCORKIt's south of LimerickCORKChampagne stopperCORKBulletin board materialCORKIllegal substance in a baseball batCORKNew Year's Eve popperCORKCounty of southwest IrelandCORKBottleneck blockerCORKStopperCORKNew Year's Eve projectile?CORKBottle stopperCORKIrish seaport or its countyCORKEco-friendly tile materialCORKStopper or popperCORKStop for a sommelier?CORKWine stopperCORKFeature of most wine bottlesCORKPopped stopperCORKBlarney Castle's countyCORKHome of the Blarney stoneCORKFishing floatCORKIrish county