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The Collaborative International Dictionary
Longirosters

Longiroster \Lon`gi*ros"ter\, n.; pl. L. Longirostres, E. Longirosters. [L. longus long + rostrum beak: cf. F. longirostre.] (Zo["o]l.) One of the Longirostres.

Wiktionary
longirosters

n. (plural of longiroster English)