BACK n.
A large shallow vat; a cistern, tub, or trough, used by brewers, distillers, dyers, picklers, gluemakers, and others, for mixing or cooling wort, holding water, hot glue, etc. Hop back, Jack back, the cistern which receives the infusion of malt and hops from the copper. -- Wash back, a vat in which distillers ferment…
CLAM n.
ally to the Tridacna gigas, a huge East Indian bivalve. You shall scarce find any bay or shallow shore, or cove of sand, where you may not take many clampes, or lobsters, or both, at your pleasure. Capt. John Smith (1616). Clams, or clamps, is a shellfish not much unlike a coclke; it lieth under the sand. Wood (1634).…