מִכְבָּר

Construct for it a grate of bronze mesh, and make a bronze ring at each of the four corners of the mesh.

…the altar of burnt offering with its bronze grate, its poles, and all its utensils; the basin with its stand;

He made a grate of bronze mesh for the altar under its ledge, halfway up from the bottom.

At the four corners of the bronze grate he cast four rings as holders for the poles.

He used it to make the bases for the entrance to the Tent of Meeting, the bronze altar and its bronze grating, all the utensils for the altar,

…the bronze altar with its bronze grating, its poles, and all its utensils; the basin with its stand;