(idiomatic) Alternative spelling of stumbling block

Obstructed from proceeding.

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

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

(computing) An image that contains the sectors read from an original floppy disk or optical disc.

(vulgar, slang) Alternative spelling of cockblock

(vulgar, slang) Alternative spelling of cockblock

(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.

A festive event held in the street of a city block / (basketball, slang) A game during which a single player blocks the shots of many other players

plural of block party