a solid piece of something (usually having flat rectangular sides); "the pyramids were built with large stone blocks"
housing in a large building that is divided into separate units; "there is a block of classrooms in the west wing"
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"
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"
a rectangular area in a city surrounded by streets and usually containing several buildings; "he lives in the next 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"
a three-dimensional shape with six square or rectangular sides
shape into a block or blocks; "block the graphs so one can see the results clearly"
shape by using a block; "Block a hat"; "block a garment"
support, secure, or raise with a block; "block a plate for printing"; "block the wheels of a car"
stamp or emboss a title or design on a book with a block; "block the book cover"
interrupt the normal function of by means of anesthesia; "block a nerve"; "block a muscle"
an estimation that is too low; an estimate that is less than the true or actual value
make too low an estimate of; "he underestimated the work that went into the renovation"; "Don't underestimate the danger of such a raft trip on this river"
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"
hinder or prevent the progress or accomplishment of; "His brother blocked him at every turn"
a large edge tool that cuts sheet metal by passing a blade through it
(physics) a deformation of an object in which parallel planes remain parallel but are shifted in a direction parallel to themselves; "the shear changed the quadrilateral into a parallelogram"
a mishap caused by something suddenly falling down or caving in
an abrupt failure of function or health
lose significance, effectiveness, or value; "The school system is collapsing"; "The stock market collapsed"
break down, literally or metaphorically; "The wall collapsed"; "The business collapsed"; "The dam broke"; "The roof collapsed"; "The wall gave in"; "The roof finally gave under the weight of the ice"
cause to burst; "The ice broke the pipe"
fold or close up; "fold up your umbrella"; "collapse the music stand"