Origin: L, beak, in pl., speakers' platform (see rostrum) < rosus, pp. of rodere, to gnaw, peck: see rat
See rostrum in American Heritage Dictionary 4
noun pl. ros·trums or ros·tra (rŏsˈtrə, rôˈstrə)
Origin:
Origin: Latin rōstrum, beak; see rēd- in Indo-European roots
.Related Forms:
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