Does 'a grape' mean a bunch of grapes or a single round one?

Are you wondering about the difference between a grape like one of these in this bunch of grapes: ... and a grapefruit (a round one) like this? read more

From Middle English grape, from Old French grape, grappe, crape (“cluster of fruit or flowers, bunch of grapes”), from graper, craper (“to pick grapes”, literally “to hook”), of Germanic origin, from Old Low Frankish *krappō (“hook”), from Proto-Germanic *krappô (“hook”), from Proto-Indo-European *grep-(“hook”), *gremb-(“crooked, uneven”), from *ger-(“to turn, bend, twist”). read more

About the hour of noontide, however, when the sun stood exactly over Zarathustra's head, he passed an old, bent and gnarled tree, which was encircled round by the ardent love of a vine, and hidden from itself; from this there hung yellow grapes in abundance, confronting the wanderer. read more

In North America, the most common grape juice is purple and made from Concord grapes, while white grape juice is commonly made from Niagara grapes, both of which are varieties of native American grapes, a different species from European wine grapes. read more