plumcot UK /ˈplʌm.kɒt/US /ˈplʌm.kɑt/ noun1 •A hybrid fruit of a plum and a apricot.These fruits are in season now, along with the plumcot, 50 percent plum and 50 percent apricot, which has been sold on a limited basis until now. — 2007 formsplumcots