鳴めい嚢のうめいのうMeanings1nounvocal sac (of a frog)A biological term referring to the expandable sac used by male frogs to amplify mating calls.カエルの鳴めい嚢のうは繁はん殖しょく期きに大おおきく膨ふくらむ。The frog's vocal sac swells greatly during the breeding season.
