[yoo-tri-kuh
l] 
| 1. | a small sac or baglike body, as an air-filled cavity in a seaweed. |
| 2. | Botany. a thin bladderlike pericarp or seed vessel. |
| 3. | Anatomy. the larger of two sacs in the membranous labyrinth of the internal ear. Compare saccule (def. 1). |
| u·tri·cle 1 (yōō'trĭ-kəl) n.
[Latin utriculus, diminutive of uter, utr-, leather bottle, possibly from Greek hudria, water vessel, from hudōr, water; see wed-1 in Indo-European roots.] |
| u·tri·cle 2 (yōō'trĭ-kəl) n. A small vestigial blind pouch of the prostate gland. [Latin utriculus, sac, diminutive of uterus, uterus.] |
utricle u·tri·cle1 (y&oomacr;'trĭ-kəl)
n.
A membranous sac contained within the labyrinth of the inner ear and connected with the semicircular canals.
utricle 2
n.
A small vestigial blind pouch of the prostate gland; the prostatic utricle.