Reference for Chullin 124:3

חוץ מיונה ותסיל

Now if it were [as you say], it should read 'Except the dove and the tasil'? - R'Zera answered: The latter sucks up the water and spits it back,<span class="x" onmousemove="('comment',' Spitting renders the purification water invalid. V. Par. loc. cit.');">³</span>

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