(computing, of software, hardware or a product) The quality of being open-source.

plural of open rectangle

(UK) An usher in a church.

plural of home open

The use of a date or code stamped on food packaging to help determine how long to display the product for sale.

The official public opening ceremony of a new establishment.

(music) A certain stop in an organ, in which the pipes or tubes are formed like the mouthpiece of a flageolet at the end where the wind enters, and are open at the other end.

broad daylight

(sports) Of a player in a team sport, to evade defenders and thereby create a gap allowing another player to pass the ball to that player.

(Western Australia) An open home. A period of time, usually several hours in a day, during which a house which is for sale is open for inspection or tour by interested parties.