You searched for: “oscula”
osculum (s) (noun), oscula (pl)
1. An opening like a mouth, through which a sponge expels water: In her biology class, Ivy watched a documentary film showing a sponge ejecting water from its osculum
2. A minute opening: An osculum can be a little orifice.
This entry is located in the following units: ora-, or-, orat-; os- + (page 4) oscula- (page 2)
oscula-
(Latin: kiss; from "little mouth"; lip [diminutive of os-, "mouth"])