noun
[ sing. ] ( old-fashioned ) a group of thirteen (= one more than a dozen, which is twelve)
ORIGIN: This phrase comes from bakers' old custom of adding one extra loaf to an order of a dozen.
noun
[ sing. ] ( old-fashioned ) a group of thirteen (= one more than a dozen, which is twelve)
ORIGIN: This phrase comes from bakers' old custom of adding one extra loaf to an order of a dozen.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005