one-seeded
6.A small bladderlike one-seeded indehiscent fruit, as in the amaranth.
7.An indehiscent, hard-shelled, one-loculated, one-seeded fruit, such as an acorn or a hazelnut.
8.A small, dry, indehiscent one-seeded fruit with a thin wall, as in the sunflower.
9.one-seeded fruit of the European olive tree usually pickled and used as a relish.
10.A small, dry, one-seeded fruit of a cereal grass, having the fruit and the seed walls united.

