rostellum

rostellum

[ro-stel-uhm]
noun, plural rostella [ro-stel-uh] .
1.
Biology. any small, beaklike process.
2.
Botany. a beaklike modification of the stigma in many orchids.
3.
Zoology.
a.
a projecting part of the scolex in certain tapeworms.
b.
a part of the mouth in many insects, designed for sucking.

Origin:
1750–60; < Neo-Latin; Latin: little beak, snout, diminutive of rōstrum snout (see rostrum); for formation, see castellum

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World English Dictionary
rostellum (rɒˈstɛləm)
 
n , pl -la
biology a small beaklike process, such as the hooked projection from the top of the head in tapeworms or the outgrowth from the stigma of an orchid
 
[C18: from Latin: a little beak, from rōstrum a beak]
 
ros'tellate
 
adj
 
ros'tellar
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

rostellum ros·tel·lum (rŏ-stěl'əm)
n. pl. ros·tel·la (rŏ-stěl'ə)
A small beaklike part, such as the hooked projection on the head of a tapeworm.

The American Heritage® Stedman's Medical Dictionary
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