1. A little sac or vesicle, as the air cell of fucus, or seaweed.
2. (Physiol.) A microscopic cell in the structure of an egg, animal, or
plant.
3. (Bot.) A small, thin-walled, one-seeded fruit, as of goosefoot.
Gray.
The Gutenberg Webster's Unabridged Dictionary: Section T, U, V, and W · 第 2228 / 3573 题