#block  a solid piece of something (usually having flat rectangular sides); "the pyramids were built with large stone blocks"
  supertype:  artifact__artefact  a man-made object taken as a whole
  subtype:  anvil  a heavy block of iron or steel on which hot metals are shaped by hammering
  subtype:  briquette__briquet  a block made from charcoal or coal dust and burned as fuel
  subtype:  cake.block__bar  a block of solid substance (such as soap or wax); "a bar of chocolate"
  subtype:  chock__wedge  a block of wood used to prevent the sliding or rolling of a heavy object
     subtype:  sprag  a chock or bar wedged under a wheel or between the spokes to prevent a vehicle from rolling down an incline
  subtype:  chopping_block  a steady wooden block on which food can be cut or diced or wood can be split
  subtype:  crosshead  metal block that connects to a piston; it slides on parallel guides and moves a connecting rod back and forth
  subtype:  square_block__cube  a block in the (approximate) shape of a cube
     subtype:  dice__die  small cubes with 1 to 6 spots on the faces; used to generate random numbers
        subtype:  five-spot  a playing card or a domino or a die whose upward face shows five pips
        subtype:  four-spot  a playing card or domino or die whose upward face shows four pips
        subtype:  six-spot__sixspot  a playing card or domino or die whose upward face shows six pips
     subtype:  ice_cube__icecube  a small cube of artificial ice; used for cooling drinks
  subtype:  domino  a small rectangular block used in playing the game of dominoes; the face of each block has two equal areas that can bear 0 to 6 dots
     subtype:  five-spot  a playing card or a domino or a die whose upward face shows five pips
     subtype:  four-spot  a playing card or domino or die whose upward face shows four pips
     subtype:  six-spot__sixspot  a playing card or domino or die whose upward face shows six pips
  subtype:  ingot__metal_bar__metalbar__block_of_metal  a block of metal that is cast in a particular shape for convenient handling
     subtype:  bullion  gold or silver in bars or ingots
     subtype:  pig.ingot  a crude block of metal (lead or iron) poured from a smelting furnace
  subtype:  nog  a wooden block built into a masonry wall so that joinery structure can be nailed to it
  subtype:  nut.block  a small square or hexagonal metal block with internal screw thread to be fitted onto a bolt
     subtype:  hex_nut__hexnut  a nut with a hexagonal shape
     subtype:  locknut__safetynut  supplementary nut that is screwed down on a primary nut to prevent it from loosening
     subtype:  square_nut  nut with a square shape
     subtype:  stuffing_nut__packing_nut__packingnut  a nut used to tighten a stuffing box
     subtype:  wing_nut__wing_screw__thumbnut  nut with winglike projections for thumb and forefinger leverage in turning
  subtype:  inking_pad__pad__stamp_pad__stamppad  a block of absorbent material saturated with ink; used to transfer ink evenly to a rubber stamp
  subtype:  slab  block consisting of a thick piece of something
     subtype:  butcher_board__butcherboard__butcher_block__butcherblock  a thick wooden slab formed by bonding together thick laminated strips of unpainted hardwood
     subtype:  tablet  a slab of stone or wood suitable for bearing an inscription
        subtype:  abacus.tablet  a tablet placed horizontally on top of the capital of a column as an aid in supporting the architrave
        subtype:  slate  (formerly) a writing tablet made of slate
     subtype:  tile  a flat thin rectangular slab (as of fired clay or rubber or linoleum) used to cover surfaces
        subtype:  tessera  a small square tile of stone or glass used in making mosaics
           subtype:  tessella  a small tessera
  subtype:  starting_block  block providing bracing for a runner's feet at start of a race
  subtype:  swage_block__swageblock  an iron block cut with holes and grooves to assist in cold working metal
  subtype:  type.block  a small metal block bearing a raised character on one end; produces a printed character when inked and pressed on paper; "he dropped a case of type, so they made him pick them up"
     subtype:  quad__space  (printing) a block of type without a raised letter; used for spacing between words

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