rostellum
noun
ros·tel·lum
rä-ˈste-ləm 
plural rostella
rä-ˈste-lə
: a small process resembling a beak : a diminutive rostrum: such as
a
: an extension of the stigma of an orchid flower
b
: an anterior prolongation of the head of a tapeworm bearing hooks
Examples of rostellum in a Sentence
Recent Examples on the Web
One of the traits researchers are keenest to explore is one that would eliminate a flap inside the vanilla flowers called the rostellum.
—
Alex Fox, Smithsonian Magazine, 23 Dec. 2020
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Alex Fox, Smithsonian Magazine, 23 Dec. 2020
Dictionary Entries Near rostellum
Cite this Entry
“Rostellum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rostellum. Accessed 21 Dec. 2024.
Copy CitationMedical Definition
rostellum
noun
ros·tel·lum
rä-ˈstel-əm
: an anterior prolongation of the head of a tapeworm often bearing hooks
Love words? Need even more definitions?
Merriam-Webster unabridged
Share