(US) A small geographical unit that is part of the US censuses

(rail transport) a type of signalling system on a single-track line which dispenses with the need for a train to carry a token (sense 21).

plural of block group

(Australian slang) vanilla slice

splent coal

A type of walkway paving tile, consisting of a dot array block and a line stack block, used to inform visually impaired pedestrians of a route (lined path) and danger ahead (dotted threshold).

plural of punch block

Synonym of punchdown

plural of block wall

(printing, historical) A surface prepared for printing a background.