8 results for: Rostellum

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ROSTA

rostand

Rostand, Edmond

Rostel

Rostella

Rostellar

Rostellaria

Rostellate

Rostelliform

rostellum

rosten

rosten, norman

rostenkowski

rostenkowski, dan

rostenkowski, dan(ie…

rostenkowski, daniel

Roster

rosters

ROSTO

rostock

rostov

Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

ros·tel·lum

Audio Help [ro-stel-uh

m] Pronunciation Key

–noun, plural ros·tel·la

Audio Help [ro-stel-uh] Pronunciation Key.

1.	Biology. any small, beaklike process.

2.	Botany. a beaklike modification of the stigma in many orchids.

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; < NL; L: little beak, snout, dim. of rōstrum snout (see rostrum); for formation, see castellum

]

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

Encyclopædia Britannica, Inc.
Rostellum

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American Heritage Dictionary - Cite This Source - Share This

ros·tel·lum Audio Help (rŏ-stěl'əm) Pronunciation Key
n. pl. ros·tel·la (rŏ-stěl'ə)
A small beaklike part, such as a projection on the stigma of an orchid, a tubular mouthpart on some insects, or the hooked projection on the head of a tapeworm.

[Latin, diminutive of rōstrum, beak; see rostrum.]

ros·tel'lar adj.

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

American Heritage Stedman's Medical Dictionary - Cite This Source - Share This

ros·tel·lum (r-stlm)
n. pl. ros·tel·la (r-stl)

A small beaklike part, such as the hooked projection on the head of a tapeworm.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Merriam-Webster's Medical Dictionary - Cite This Source - Share This

Main Entry: ros·tel·lum
Pronunciation: rä-'stel-&m
Function: noun
: an anterior prolongation of the head of a tapeworm often bearing hooks

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Rostellum

Ros"tel\, n. [L. rostellum, dim. of rostrum a beak: cf. F. rostelle.] same as Rostellum.

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Rostellum

Ros*tel"lum\, n.; pl. Rostella. [L. See Rostel.] A small beaklike process or extension of some part; a small rostrum; as, the rostellum of the stigma of violets, or of the operculum of many mosses; the rostellum on the head of a tapeworm.

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Rostellum

Ros"trum\ (-tr[u^]m), n.; pl. L. Rostra, E. Rostrums. [L., beak, ship's beak, fr. rodere, rosum, to gnaw. See Rodent.]

1. The beak or head of a ship.

2. pl. (Rostra) (Rom. Antiq.) The Beaks; the stage or platform in the forum where orations, pleadings, funeral harangues, etc., were delivered; -- so called because after the Latin war, it was adorned with the beaks of captured vessels; later, applied also to other platforms erected in Rome for the use of public orators.

3. Hence, a stage for public speaking; the pulpit or platform occupied by an orator or public speaker.

Myself will mount the rostrum in his favor. --Addison.

4. (Zo["o]l.) (a) Any beaklike prolongation, esp. of the head of an animal, as the beak of birds. (b) The beak, or sucking mouth parts, of Hemiptera. (c) The snout of a gastropod mollusk. See Illust. of Littorina. (d) The anterior, often spinelike, prolongation of the carapace of a crustacean, as in the lobster and the prawn.

5. (Bot.) Same as Rostellum.

6. (Old Chem.) The pipe to convey the distilling liquor into its receiver in the common alembic. --Quincy.

7. (Surg.) A pair of forceps of various kinds, having a beaklike form. [Obs.] --Coxe.

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