block: a substantial, often approximately cuboid, piece of any substance. / log: the trunk of a dead tree, cleared of branches; any bulky piece as cut from the above, used as timber, fuel etc. / cuboid: a parallelepiped having six rectangular faces. / board:; the side of a ship. / board:; takeoff board of long jump. / beam:; any large piece of timber or iron long in proportion to its thickness, and prepared for use. / beam:; balance beam: a gymnastics apparatus, a narrow wooden rail used in artistic (athletic) gymnastics. / epaulet, epaulette, shoulder board: an ornamentation, worn on the shoulders of a military uniform, as a sign of rank. / the unit of measurement for opium weight of 1,030 kg