We found 18 dictionaries that define the word rostra:

General (15 matching dictionaries)

1. rostra: Merriam-Webster
2. rostra: Oxford Learner's Dictionaries
3. rostra: Collins English Dictionary
4. rostra: Vocabulary.com
5. Rostra, rostra: Wordnik
6. rostra: Wiktionary
7. rostra: Infoplease Dictionary
8. Rostra, rostra: Dictionary.com
9. rostra: Cambridge Essential American English Dictionary
10. Rostra: Wikipedia, the Free Encyclopedia
11. Rostra: Online Plain Text English Dictionary
12. rostra: Webster's Revised Unabridged, 1913 Edition
13. Rostra: AllWords.com Multi-Lingual Dictionary
14. rostra: FreeDictionary.org
15. Rostra: TheFreeDictionary.com

Computing (1 matching dictionary)

16. rostra: Encyclopedia

Medicine (2 matching dictionaries)

17. rostra: Merriam-Webster Medical Dictionary
18. rostra: Medical dictionary

(Note: See rostrum as well.)

Definitions from Wikipedia (Rostra) ▸ noun:  a large platform built in the city of Rome that stood during the republican and imperial periods. ▸ Words similar to rostra ▸ Usage examples for rostra ▸ Idioms related to rostra ▸ Wikipedia articles (New!) ▸ Popular adjectives describing rostra ▸ Words that often appear near rostra ▸ Rhymes of rostra ▸ Invented words related to rostra