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 (rŏs′trəm, rô′strəm)
n. pl. ros·trums or ros·tra (rŏs′trə, rô′strə)
1. A dais, pulpit, or other elevated platform for public speaking.
a. The curved, beaklike prow of an ancient Roman ship, especially a war galley.
b. The speaker's platform in an ancient Roman forum, which was decorated with the prows of captured enemy ships.
3. Biology A beaklike projection, especially:
a. An anterior projection of an insect's or an arachnid's mouthparts, of the upper jaw of a cetacean, or of the cephalothorax of a crustacean.
b. A beaklike projection of a plant part, as the fruit of a geranium.

[Latin rōstrum, beak; see rēd- in Indo-European roots.]
References in periodicals archive ?
DETROIT, June 29, 2015 /PRNewswire/ -- Superior Capital Partners LLC, a Detroit-based private equity firm, announced today that it has completed an add-on acquisition for its Rostra Precision Controls ("Rostra") platform.
But Rostra, the University''s oldest drama society, are to launch their "Bring Theatre Back To Bangor Initiative Society chairman Daniel Cummings said the scheme aims to re-build interest in theatre in North Wales.
A serial investor has boosted the health of young company Rostra UK Ltd, which specialises in treating varicose veins.
A new, higher hipped roof made of dark reclaimed timber adds space and conceals service ductwork, while a simple rostra seating system offers directors and designers a great range of staging options.
23, 2014 /PRNewswire/ -- Superior Capital Partners LLC, a Detroit-based private equity firm, announced today that it has completed add-on acquisitions for its Rostra Precision Controls and Aldora Aluminum & Glass platforms.
A large fossil skull and several rostra of Makaira nigricans Lacepede, 1802 (Perciformes: Istiophoridae), as well as some less diagnostic istiophorid remains, have been recovered from the middle facies of the Trinidad Formation near Rancho Algodones, San Jose del Cabo Basin, Baja California Sur, Mexico.
Ansoft users representing General Motors (Delphi Electronics and Packard Electric), Automatic Switch, Hi-Stat Manufacturing, Rostra Precision Controls, Bicron Electronics, and Virginia Power Electronics Center participated in beta-site training and testing.
an investment platform that was created to recapitalize Wixom, Michigan-based OEM Components and USA Switch and to acquire Laurinburg, North Carolina-based Rostra Precision Controls.