Nut (fruit) usage of the term is less restrictive, and many nuts (in the culinary sense), such as almonds, pecans, pistachios, walnuts, and Brazil nuts, are not nuts in a botanical sense. Common usage of the term often refers to any hard-walled, edible kernel as a nut. A nut in botany is a simple dry fruit in which the ovary wall becomes increasingly hard as it matures, and where the seed remains unattached or free within the ovary wall. Most nuts come from the pistils with "inferior" ovaries (see flower) and all are "indehiscent" (not opening at maturity). True nuts are produced,
Nut hand split games one often speaks of "nut-low" and "nut-high" hands separately. In Omaha hold 'em, if the board is, 5♠ 6♠ A♣ 9♠ 5♥, any player with 2-3 makes the nut-low hand, 6-5-3-2-A, while a player with 2-4 makes the second-nut-low hand, 6-5-4-2-A (the nut-high hands remain the same as in Texas hold 'em, in this case 7♠ 8♠ to make a straight flush, although one can go as low as aces full by introducing quads and straight flush blockers). Similarly, one can sometimes hear the term "nut-nut", which refers to a hand that makes both the best possible high