TBCsomething that lies across another thing, especially in a building, on a railwaytrack etc 〔尤指建筑物、铁轨等的〕横档,横杆
Examples from the Corpus
crosspiece• On the crosspiece he had painted the words: Oliver Bean.• The typicalcrosspiece of the Frankish spearimplies the use of the weapon from horseback.• The filter was constructed as shown in the diagram and then stood on the woodencrosspieces on top of the vat.• A carpenter from Sam Son who had prepared the wooden crosspieces for the test raft was one member of the test-raft crew.