Reference for Chullin 224:1

ומשפייה

and to pour off [the fat].<span class="x" onmousemove="('comment',' The effect of the salt is to draw the blood together so as to settle at the base of the vessel, leaving the fat on top; the fat can then very easily be poured off into another vessel, and it may be eaten.');">¹</span>

Jastrow

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