A thick, strong block of wood with two holes through it, one square and the other round, used to confine together the head of one mast and the lower art of the mast next above it.
Ibloko yokhuni eyomeleleyo netyebileyo enemingxunya emibini kuyo, omnye umngxuma usisikwere, omnye ungqukuva, osetyenziselwa ukudibanisa kunye intloko yemasti enye nobuchule obungezantsi bemasti ekufuphi ngaphezu kwayo.