(chemistry) A portion of a macromolecule, comprising many units, that has at least one feature not present in adjacent portions.
(computing) A contiguous range of Unicode code points used to encode characters of a specific type; can be of any size evenly divisible by 16, up to 65,536 (a full plane).
(computing) A logical data storage unit containing one or more physical sectors (see cluster).
(cricket) A blockhole.
(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.
(cricket) The popping crease.
(cricket) The position of a player or bat when guarding the wicket.
(cryptography) A fixed-length group of bits making up part of a message.
(falconry) The perch on which a bird of prey is kept.
(obsolete) A blockhead; a stupid fellow; a dolt.
(philately) A joined group of four (or in some cases nine) postage stamps, forming a roughly square shape.
(printing, dated) A piece of hard wood on which a stereotype or electrotype plate is mounted.
(programming) A region of code in a program that acts as a single unit, such as a function or loop.
(rail transport) A section of a railroad where the block system is used.
(slang) The human head.
(sports) An action to interfere with the movement of an opposing player or of the object of play (ball, puck).
(viticulture) A discrete group of vines in a vineyard, often distinguished from others by variety, clone, canopy training method, irrigation infrastructure, or some combination thereof.
(volleyball) A defensive play by one or more players meant to deflect a spiked ball back to the hitter’s court.
A case or frame housing one or more sheaves (pulleys), used with ropes to increase or redirect force, for example as part of lifting gear or a sailing ship's rigging. See also block and tackle.
A cellblock.
A chopping block: a cuboid base for cutting or beheading.
A contiguous group of urban lots of property, typically several acres in extent, not crossed by public streets.
A logical extent or region; a grouping or apportionment of like things treated together as a unit.
A mould on which hats, bonnets, etc., are shaped.
A physical area or extent of something, often rectangular or approximately rectangular.
A roughly cuboid building.
A section of split logs used as fuel.
A set of sheets (of paper) joined together at one end, forming a cuboid shape.
A substantial, often approximately cuboid, piece of any substance.
A temporary or permanent ban that prevents access to an online account or service, or connection to or from a designated telephone number, IP address, or similar.
A wig block: a simplified head model upon which wigs are worn.
Interference or obstruction of cognitive processes.
Misspelling of bloc.
Something that prevents something from passing.
The distance from one street to another in a city or suburb that is built (approximately) to a grid pattern.
verb
(intransitive, cricket) To play a block shot.
(programming, intransitive) To wait for some condition to become true.
(transitive) To bar (a message or communication), or bar connection with (an online account or service, a designated telephone number, IP address, etc.).
(transitive) To bar (someone undesirable) from connecting via telephone, instant messaging, etc., or from accessing an online account or service, or similar.
(transitive) To fill or obstruct (something) so that it is not possible to pass.
(transitive) To prevent (something from happening or someone from doing something).
(transitive) To prevent (something or someone) from passing.
(transitive) To shape or sketch out roughly.
(transitive) To stretch or mould (a knitted item, a hat, etc.) into the desired shape.
(transitive, cricket) To hit with a block.
(transitive, slang, obsolete) To knock (a person's hat) down over their eyes.
(transitive, sports) To impede (an opponent or opponent's play).
(transitive, theater) To specify the positions and movements of the actors for (a section of a play or film).
