(literally) A component that is part of a larger construction, such as a brick or a stone.

The smallest part of a town enclosed by streets. / The distance from one urban street to the next, or an approximately comparable distance.

A pillow block

Alternative form of woodblock

(idiomatic) Alternative spelling of stumbling block

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

Obstructed from proceeding.

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

(Britain) A lightweight building block made from cinders and concrete.

A system in which a rope, cable, or chain (the tackle) is passed over pulleys enclosed in two (or rarely more) blocks, one fixed and one attached to a load, which is used to gain mechanical advantage to lift or pull heavy loads.