Block

a solid piece of something (usually having flat rectangular sides)

a rectangular area in a city surrounded by streets and usually containing several buildings

a three-dimensional shape with six square or rectangular sides

a number or quantity of related things dealt with as a unit

housing in a large building that is divided into separate units

(computer science) a sector or group of sectors that function as the smallest data unit permitted

an inability to remember or think of something you normally can do

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

a metal casting containing the cylinders and cooling ducts of an engine

an obstruction in a pipe or tube

a platform from which an auctioneer sells

the act of obstructing or deflecting someone's movements

render unsuitable for passage

hinder or prevent the progress or accomplishment of

stop from happening or developing

interfere with or prevent the reception of signals

run on a block system

interrupt the normal function of by means of anesthesia

shut out from view or get in the way so as to hide from sight

stamp or emboss a title or design on a book with a block

obstruct

block passage through

support, secure, or raise with a block

impede the movement of (an opponent or a ball)

be unable to remember

shape by using a block

shape into a block or blocks

prohibit the conversion or use of (assets)