Reference for Chullin 26:42

ורמינהי

by day or by night, and [in all places,] whether on the rooftop or on top of a ship?<span class="x" onmousemove="('comment',' Although we learnt (infra 41a) that one may not slaughter and allow the blood to run into the sea or vessel, lest it be said the slaughtering was an act of idolatrous worship to the deity of the sea, or that it was being collected for an idolatrous purpose, here, where the slaughtering is performed on the roof top and the blood collected in a vessel, there is no such apprehension, for it was collected in a vessel merely to avoid fouling the roof. Similarly where the blood is allowed to run into the sea from the top of the ship it is done merely to avoid fouling the top of the ship.');">¹⁵</span>

Jastrow

Jastrow

Jastrow

Jastrow