U″tri‐cle (?), n. [L. utriculus a little womb, a calycle, dim. of uter, utris, a bag or bottle made of an animal's hide: cf. F. utricule.]
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.
4. (Anat.) A utriculus.