1. tower block tower consisting of a multistoried building of offices or apartments
  2. tribology the branch of engineering that deals with the interaction of surfaces in relative motion (as in bearings or gears): their design and friction and wear and lubrication
  3. trap block (American football) an illegal block
  4. roadblock any condition that makes it difficult to make progress or to achieve an objective
  5. doorlock a lock on an exterior door
  6. cinder block a light concrete building block made with cinder aggregate
  7. damper block damper consisting of a small felted block that drops onto a piano string to stop its vibration
  8. grey-black of black tinged with grey
  9. dreadlock one of many long thin braids of hair radiating from the scalp; popularized by Rastafarians
  10. Periploca genus of woody vines of warm regions of the Old World
  11. butcher block a thick wooden slab formed by bonding together thick laminated strips of unpainted hardwood
  12. Trablous a port city and commercial center in northwestern Lebanon on the Mediterranean Sea
  13. breechblock a metal block in breech-loading firearms that is withdrawn to insert a cartridge and replaced to close the breech before firing
  14. writer's block an inability to write
  15. gray-black of black tinged with grey
  16. troublous full of trouble
  17. triploid of a cell or organism having three complete sets of chromosomes
  18. throw pillow a small cushion that is used for decorative purposes
  19. breeze block a light concrete building block made with cinder aggregate
  20. square block a block in the (approximate) shape of a cube

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