蛙あ声せいあせいMeanings1nounsound of frogs croakingA somewhat literary or poetic noun for the collective croaking of frogs, often evoking a seasonal or natural scene.夏なつの夜よる、田たんぼから蛙あ声せいが聞きこえてくる。On summer nights, the sound of frogs croaking can be heard from the rice paddies.