
1) Genus ostrea 2) Mollusk genus 3) Oyster genus
Found on
https://www.crosswordclues.com/clue/ostrea

Ostrea is a genus of edible oysters, marine bivalve mollusks in the family Ostreidae, the oysters. This is an ancient genus, as evidenced by the fossil record. At least one species within this genus, Ostrea lurida, has been recovered in archaeological excavations along the Central California coast of the Pacific Ocean, demonstrating it was a marin...
Found on
http://en.wikipedia.org/wiki/Ostrea

• (n.) A genus of bivalve Mollusca which includes the true oysters.
Found on
http://thinkexist.com/dictionary/meaning/ostrea/

(from the article `oyster`) True oysters (family Ostreidae) include species of Ostrea, Crassostrea, and Pycnodonte. Common Ostrea species include the European flat, or edible, ...
Found on
http://www.britannica.com/eb/a-z/o/37
Os'tre·a noun [ Latin , an oyster.]
(Zoology) A genus of bivalve Mollusca which includes the true oysters.
Found on
http://www.encyclo.co.uk/webster/O/39

[
n] - type genus of the family Ostreidae
Found on
http://www.webdictionary.co.uk/definition.php?query=Ostrea
genus Ostrea noun type genus of the family Ostreidae
Found on
https://www.encyclo.co.uk/local/20974
No exact match found.