orifice
noun
an opening or aperture, as of a tube or pipe; a mouthlike opening or hole; mouth; vent.
orificial
-
a word derived from
orifice.
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.
The zoœcia when young are practically recumbent, each being of an ovoid form and having a stout, distinctly quadrate orificial tubule projecting upwards and slightly forwards near the anterior margin of the dorsal surface.
From Freshwater Sponges, Hydroids & Polyzoa by Nelson Annandale
The former genus possesses an upright orificial tubule and has zoœcia separated by basal tubules.
From Freshwater Sponges, Hydroids & Polyzoa by Nelson Annandale
