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.]
A little sac or vesicle, as the air cell of fucus, or seaweed.
A microscopic cell in the structure of an egg, animal, or plant.
A small, thin-walled, one-seeded fruit, as of goosefoot.
© Webster 1913.