present participle of expose oneself

(architecture) A building's functional ductwork, pipes, etc. when left visible and readily accessible rather than e.g. concealed above a suspended ceiling.

simple past tense and past participle of expose oneself

Third-person singular simple present indicative form of expose oneself

A wooden beam supporting a wall, ceiling etc. which has been left uncovered by plasterboard for aesthetic effect, typically seen as imparting rustic or traditional charm.

plural of exposed beam

(idiomatic, euphemistic) To display one's genitalia in a public place or in other inappropriate circumstances. / (idiomatic) To put oneself in a vulnerable position.

So as to expose something.