Utricle

·noun A Utriculus.

II. Utricle ·noun A small, thin-walled, one-seeded fruit, as of goosefoot.

III. Utricle ·noun A little sac or vesicle, as the air cell of fucus, or seaweed.

IV. Utricle ·noun A microscopic cell in the structure of an egg, animal, or plant.