Put it under the ledge of the altar so that it is halfway up the altar.
NMVAnd youi shall put it under the compass (go around, encircle; encompass) of the altar beneath, that the net may be even to the midst of the altar.
OJBAnd thou shalt put it under the karkov ([surrounding] border, ledge) of the Mizbe'ach from below, that the meshwork may be half the height of the Mizbe'ach.
Onkelos (Etheridge)And place it under the surrounding of the altar beneath, that the net may extend to the middle of the altar.
T4TThey must put the grating under the rim that is around the altar. They must make it so that it is inside the altar, halfway down.