Noun

1. A solid piece of something (usually having flat rectangular sides)
2. A rectangular area in a city surrounded by streets and usually containing several buildings
3. A three-dimensional shape with six square or rectangular sides
4. A number or quantity of related things dealt with as a unit
5. Housing in a large building that is divided into separate units
6. (computer science) a sector or group of sectors that function as the smallest data unit permitted
7. An inability to remember or think of something you normally can do; often caused by emotional tension
8. 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. A metal casting containing the cylinders and cooling ducts of an engine
10. An obstruction in a pipe or tube
11. A platform from which an auctioneer sells
12. The act of obstructing or deflecting someone's movements

Verb

1. Render unsuitable for passage
2. Hinder or prevent the progress or accomplishment of
3. Stop from happening or developing
4. Interfere with or prevent the reception of signals
5. Run on a block system
6. Interrupt the normal function of by means of anesthesia
7. Shut out from view or get in the way so as to hide from sight
8. Stamp or emboss a title or design on a book with a block
9. Obstruct
10. Block passage through
11. Support, secure, or raise with a block
12. Impede the movement of (an opponent or a ball)
13. Be unable to remember
14. Shape by using a block
15. Shape into a block or blocks
16. Prohibit the conversion or use of (assets)