| 单词 |
breast-board |
| 释义 |
breast-board|ˈbrɛstbɔəd| 1. The earth-board or mould-board of a plough.
1649W. Blithe Eng. Improv. Impr. (1653) 190 The Shield-board, some call Breast-board, or Earth-board, or Furrow-board. 1725Bradley Fam. Dict. s.v. Plough, The Earth board, Mould board, Breast board, Throw board. 2. Mining. ‘Planking placed between the last set of timbers and the face of a gangway or heading, in quicksand or loose ground’ (Raymond). 3. Rope-making. A loaded carriage to which the yarn-ends are attached at the foot of the rope-walk. |

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