The noun block has 12 senses (first 5 from tagged texts)
1. (31) block -- (a solid piece of something (usually having flat rectangular sides); "the pyramids were built with large stone blocks")
2. (6) block, city block -- (a rectangular area in a city surrounded by streets and usually containing several buildings; "he lives in the next block")
3. (1) block, cube -- (a three-dimensional shape with six square or rectangular sides)
4. (1) block -- (a number or quantity of related things dealt with as a unit; "he reserved a large block of seats"; "he held a large block of the company's stock")
5. (1) block -- (housing in a large building that is divided into separate units; "there is a block of classrooms in the west wing")
6. block -- ((computer science) a sector or group of sectors that function as the smallest data unit permitted; "since blocks are often defined as a single sector, the terms `block' and `sector' are sometimes used interchangeably")
7. block, mental block -- (an inability to remember or think of something you normally can do; often caused by emotional tension; "I knew his name perfectly well but I had a temporary block")
8. pulley, pulley-block, block -- (a simple machine consisting of a wheel with a groove in which a rope can run to change the direction or point of application of a force applied to the rope)
9. engine block, cylinder block, block -- (a metal casting containing the cylinders and cooling ducts of an engine; "the engine had to be replaced because the block was cracked")
10. blockage, block, closure, occlusion, stop, stoppage -- (an obstruction in a pipe or tube; "we had to call a plumber to clear out the blockage in the drainpipe")
11. auction block, block -- (a platform from which an auctioneer sells; "they put their paintings on the block")
12. blocking, block -- (the act of obstructing or deflecting someone's movements)
Overview of verb block
The verb block has 16 senses (first 4 from tagged texts)
1. (7) barricade, block, blockade, stop, block off, block up, bar -- (render unsuitable for passage; "block the way"; "barricade the streets"; "stop the busy road")
2. (3) obstruct, blockade, block, hinder, stymie, stymy, embarrass -- (hinder or prevent the progress or accomplishment of; "His brother blocked him at every turn")
3. (1) stop, halt, block, kibosh -- (stop from happening or developing; "Block his election"; "Halt the process")
4. (1) jam, block -- (interfere with or prevent the reception of signals; "Jam the Voice of America"; "block the signals emitted by this station")
5. block -- (run on a block system; "block trains")
6. block -- (interrupt the normal function of by means of anesthesia; "block a nerve"; "block a muscle")
7. obstruct, block -- (shut out from view or get in the way so as to hide from sight; "The thick curtain blocked the action on the stage"; "The trees obstruct my view of the mountains")
8. block -- (stamp or emboss a title or design on a book with a block; "block the book cover")
9. stuff, lug, choke up, block -- (obstruct; "My nose is all stuffed"; "Her arteries are blocked")
10. obstruct, obturate, impede, occlude, jam, block, close up -- (block passage through; "obstruct the path")
11. block -- (support, secure, or raise with a block; "block a plate for printing"; "block the wheels of a car")
12. parry, block, deflect -- (impede the movement of (an opponent or a ball); "block an attack")
13. forget, block, blank out, draw a blank -- (be unable to remember; "I'm drawing a blank"; "You are blocking the name of your first wife!")
14. block -- (shape by using a block; "Block a hat"; "block a garment")
15. block -- (shape into a block or blocks; "block the graphs so one can see the results clearly")
16. freeze, block, immobilize, immobilise -- (prohibit the conversion or use of (assets); "Blocked funds"; "Freeze the assets of this hostile government")