| Rating | Solver | Clue |
|---|---|---|
| SAFE | Metal box | |
| CAGE | A box or inclosure, wholly or partly of openwork, in wood or metal, used for confining birds or other animals. | |
| PYX | A box used in the British mint as a place of deposit for certain sample coins taken for a trial of the weight and fineness of metal before it is sent from the mint. | |
| TRUNK | A long, large box, pipe, or conductor, made of plank or metal plates, for various uses, as for conveying air to a mine or to a furnace, water to a mill, grain to an elevator, etc. | |
| BRASS | ...ade of brass. A brass is often lined with a softer metal, when the latter is generally called a white metal lining. See Axle box, Journal Box, a... | |