Noun

(en noun)

A length of some object.

One of the parts into which any body naturally separates or is divided; a part divided or cut off; a section; a portion.

*{{quote-magazine, year=2013, month=September-October, author=(Henry Petroski)

, magazine=(American Scientist), title= The Evolution of Eyeglasses , passage=The ability of a segment' of a glass sphere to magnify whatever is placed before it was known around the year 1000, when the spherical ' segment was called a reading stone,

(label) A portion.

# A straight path between two points that is the shortest distance between them.

# (label) The part of a circle between its circumference and a chord (usually other than the diameter).

# (label) Any of the pieces that comprise an order tree.

(label) A portion.

# (label) A discrete unit of speech: a consonant or a vowel.

# (label) A portion of an organ whose cells are derived from a single cell within the primordium from which the organ developed.

#*

In Lejeuneaceae vegetative branches normally originate from the basiscopic basal portion of a lateral segment half, as in the Radulaceae, and the associated leaves, therefore, are quite unmodified.

# (label) One of several parts of an organism, with similar structure, arranged in a chain; such as a vertebra, or a third of an insect's thorax.

(label) A part of a broadcast program, devoted to a topic.

* {{quote-news, year=2012, date=April 29, author=Nathan Rabin

, title= TV: Review: THE SIMPSONS (CLASSIC): “Treehouse of Horror III” (season 4, episode 5; originally aired 10/29/1992) , passage=In “Treehouse Of Horror” episodes, the rules aren’t just different—they don’t even exist. If writers want Homer to kill Flanders or for a segment to end with a marriage between a woman and a giant ape, they can do so without worrying about continuity or consistency or fans griping that the gang is behaving out of character.}}

(label) An Ethernet bus.

(label) A region of memory or a fragment of an executable file designated to contain a particular part of a program.

(label) A portion of an itinerary; can be a flight or train between two cities, a car or hotel booked in a particular city.

Noun

(en noun)

A substantial, often approximately cuboid, piece of any substance.

*

You young porkers who are sitting in front of me, every one of you will scream your lives out at the block within a year.

A block of ice.

A block of stone.

Anne Boleyn placed her head on the block and awaited her execution.

A group of urban lots of property, several acres in extent, not crossed by public streets.

I'm going for a walk around the block .

A residential building consisting of flats.

* {{quote-book, year=1963, author=(Margery Allingham)

, title=(The China Governess) , chapter=Foreword citation , passage=He turned back to the scene before him and the enormous new block' of council dwellings. The design was some way after Corbusier but the ' block was built up on plinths and resembled an Atlantic liner swimming diagonally across the site.}}

A block of flats.

The distance from one street to another in a city that is built (approximately) to a grid pattern.

The place you are looking for is two long blocks''' east and one short '''block north.

(slang) The human head.

I'll knock your block off.

A wig block: a simplified head model upon which wigs are worn.

* 1851 , (Herman Melville), (Moby Dick) ,

Next morning, Monday, after disposing of the embalmed head to a barber, for a block , I settled my own and comrade’s bill; using, however, my comrade’s money.

A mould on which hats, bonnets, etc., are shaped.

* Shakespeare

He wears his faith but as the fashion of his hat; it ever changes with the next block .

A set of sheets (of paper) joined together at one end.

A block of 100 tickets.

(computing) A logical data storage unit containing one or more physical sectors (see cluster).

(computing) A region of code in a program that acts as a single unit, such as a function or loop.

(cryptography) A fixed-length group of bits making up part of a message.

(rigging) A case with one or more sheaves/pulleys, used with ropes to increase or redirect force, for example, as part of the rigging of a sailing ship.

(chemistry) A portion of a macromolecule, comprising many units, that has at least one feature not present in adjacent portions.

Something that prevents something from passing (see blockage).

There's a block in the pipe that means the water can't get through.

(sports) An action to interfere with the movement of an opposing player or of the object of play (ball, puck).

* {{quote-news, year=2011

, date=February 12 , author=Oliver Brett , title=Sunderland 1–2 Tottenham , work=BBC citation , page= , passage=The match proved an unedifying spectacle until Spurs won a corner following their first move of real quality, John Mensah making an important block with Jermain Defoe poised to strike. }}

(cricket) A shot played by holding the bat vertically in the path of the ball, so that it loses momentum and drops to the ground.

(volleyball) A defensive play by one or more players meant to deflect a spiked ball back to the hitter’s court.

(philately) A joined group of four (or in some cases nine) postage stamps, forming a roughly square shape.

A section of split logs used as fuel.

(UK) Solitary confinement.

A cellblock.

(falconry) The perch on which a bird of prey is kept.

(printing, dated) A piece of hard wood on which a stereotype or electrotype plate is mounted.

(obsolete) A blockhead; a stupid fellow; a dolt.

* Shakespeare

What a block art thou!

A section of a railroad where the block system is used.