the world > food and drink > food > providing or receiving food > feeding animals > [noun] > feeding pigs > pig's trough (6)
A trough from which hogs eat; a pig trough. Also figurative.
In other uses: †(a) A mason's hod or vessel for mortar (obsolete); (b) A butcher's tray: see quot. 1665; (c) A pig's trough.