Any dish consisting of only one slice of bread, with any topping.

plural of open secret

Third-person singular simple present indicative form of open-source

simple past tense and past participle of open-source

present participle of open-source

An interior of a building constructed with few walls or obstructions, giving a communal aspect.

(programming) An operator taking three operands, specifically the operator ?: used in many programming languages to select one of two values depending on a third value.

plural of can opener

plural of tin opener

Either of two species of bird in the genus Anastomus of the stork family Ciconiidae, with a distinctive gap between the mandibles of the closed bill.