slack-trough
[f. slack v.]
A water-trough in which a blacksmith cools heated metal. (Cf. slake- and sleck-trough.)
| 1854 A. E. Baker Northampt. Gloss., Slack-trough, the trough which is used for quenching the iron in a blacksmith's shop. 1884 C. G. W. Lock Workshop Rec. Ser. iii. 285/2 Lay rod on edge of slack trough. |