The third mast from the bow in a vessel having three or more masts, the after and shorter mast of a yawl, ketch, or dandy.
帆船上从船头算起的第三条桅杆有三根或多根桅杆，快艇、双桅船或双桅帆船上后面的短的桅杆。
2
Mr Osborne has also nailed his radical colours to the mast by relying on spending cuts for three-quarters of the squeeze by 2014-15, leaving relatively little work for tax rises.