blockout

See also: block out

English

Etymology

Deverbal from block out.

Noun

blockout (countable and uncountable, plural blockouts)

1. (countable, construction) A void that is deliberately not filled with concrete, so that it can be used to insert something else such as pipework.
2. (countable, video games) A draft of a level where plain blocks serve as placeholders for environmental features.
3. Synonym of sunblock.