rostellum

noun
ros·​tel·​lum | \ rä-ˈste-ləm How to pronounce rostellum (audio) \
plural rostella\ rä-​ˈste-​lə How to pronounce rostella (audio) \

Definition of rostellum

: 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

Other Words from rostellum

rostellar \ rä-​ˈste-​lər How to pronounce rostellar (audio) \ adjective

First Known Use of rostellum

1686, in the meaning defined above

History and Etymology for rostellum

New Latin, from Latin, diminutive of rostrum beak

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The first known use of rostellum was in 1686

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Cite this Entry

“Rostellum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rostellum. Accessed 28 Feb. 2020.

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More Definitions for rostellum

rostellum

noun
ros·​tel·​lum | \ rä-ˈstel-əm How to pronounce rostellum (audio) \

Medical Definition of rostellum

: an anterior prolongation of the head of a tapeworm often bearing hooks

More from Merriam-Webster on rostellum

Britannica.com: Encyclopedia article about rostellum

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