Having one's arms open and apart / (idiomatic) cordial; friendly; welcoming

The first night, evening, or day, of a spectacle or show. / The first event in a new venue.

Used other than figuratively or idiomatically: see open, wide. / (idiomatic, intransitive) To open one's mouth wide, to gape

(now rare) Frank, unsecretive; not concealing one's feelings. / With the breast exposed; (of clothing) not covering the breast.

(transitive) To use a sudden, quick hand motion to open (something relatively small like a book, a lighter, etc.).

To begin operations; to set things in motion.

plural of open verdict

A verdict upon an inquest which finds that a crime has been committed without specifying the criminal.

(cricket) To be one of a pair of cricketers (batsmen) that start a side's innings, who are also known as the opening pair or openers.

Third-person singular simple present indicative form of open the batting