VALVULE

valvule, valvelet, valvula

(noun) a small valve

Source: WordNet® 3.1

Noun

valvule (plural valvules or valvulae)

(anatomy) A small valve or similar structure.

Source: Wiktionary

Valv"ule, n. Etym: [Cf. F. valvule.]

1. A little valve; a valvelet.

2. (Zoöl.)

Definition: A small valvelike process.

Source: Webster’s Unabridged Dictionary 1913 Edition