<span class="searchmatch">hackbolt</span> (plural <span class="searchmatch">hackbolts</span>) (archaic, Scilly Isles) A greater shearwater or hagdon (Ardenna gravis). “<span class="searchmatch">hackbolt</span>”, in Webster’s Revised Unabridged Dictionary...
<span class="searchmatch">hackbolts</span> plural of <span class="searchmatch">hackbolt</span> hat blocks...
hat block (plural hat blocks) a block on which hats are formed or dressed a block on which hats are formed or dressed wig block <span class="searchmatch">hackbolt</span>...