cranberry word noun2 •A word used only in certain fixed phrases or idioms, with a meaning that is otherwise opaque; often a fossil word.The cranberry word in this idiom is kelaħ, which has no known literal meaning. — 2019 •A word that contains a cranberry morpheme.(13d) exhibits the same suffix as the two adjectives that precede it in the list, though the root is otherwise unattested; it is a Greek “cranberry word.” — 2013 formscranberry words
