osculum
noun
a small mouthlike aperture, as of a sponge.
oscula
-
pluralof osculum.plural
The grammatical form denoting more than one person, place, thing, or idea.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Those “little mouths” are called ostia, and the openings where water flows out are oscula.
From New York Times ● Aug. 10, 2022
External membrane closely adherent to the sponge except immediately round the oscula.
From Freshwater Sponges, Hydroids & Polyzoa by Nelson Annandale
Dermal membrane in close contact with the skeleton; pores and oscula inconspicuous.
From Freshwater Sponges, Hydroids & Polyzoa by Nelson Annandale
These apertures, bear in mind, we call oscula.
From Young Folks' Library, Volume XI (of 20) Wonders of Earth, Sea and Sky by Edward Singleton Holden
Sponge flat, lichenoid, never of great thickness, devoid of branches, dense in texture but very friable; colour brown, green, or whitish; oscula numerous, small, flat, distinctly star-shaped.
From Freshwater Sponges, Hydroids & Polyzoa by Nelson Annandale
