A nearly cubical block of granite or other tough stone, used as a material for street pavements.

A chain in which the alternate links are broad blocks connected by thin side links pivoted to the ends of the blocks, used with sprocket wheels to transmit power, as in a bicycle.

(shipbuilding) A scale model of a ship to be built, showing the vessel's water line. / (shipbuilding) A simplified model of a ship with flat sides.

(New Zealand) A small farm that is not the resident owner's primary source of income, or large residence that includes some agricultural features.

(aviation) The time from the moment the aircraft door closes at departure of a revenue flight until the moment the aircraft door opens at the arrival gate following its landing. Block hours are the industry-standard measure of aircraft utilization.

Obstructed from proceeding.

A pictorial representation of a system or process in which subsystems or other components are represented by geometric shapes joined by lines or arrows

An electric heater that heats the engine of a car to ease starting in cold weather.

apartment building

A tall residential or office building.