Main Entry: block·house

Pronunciation: \-ˌhau̇s\

Function: noun

Date: 1512

1 a : a structure of heavy timbers formerly used for military defense with sides loopholed and pierced for gunfire and often with a projecting upper story b : a small easily defended building for protection from enemy fire
2 : a building usually of reinforced concrete serving as an observation point for an operation likely to be accompanied by heat, blast, or radiation hazard

[blockhouse illustration]