lung-opener n. a sporting event which begins a series of contests or a season. (source: Double-Tongued Dictionary)
lung-opener n.— «In the season’s lung opener Cosmo-Hindu Open, Vijay Kumar winner of the Order of Merit for last two years, was a picture of excellence.» —“Exciting golfing season in the offing” by Brandon D’Souza Times of India Sept. 15, 1999...
lung-opener n.— «Oxford reached a rating of 45 in a 25-stroke lung-opener to the scratch’s 42 and continued to pull out leads in their subsequent work.» —“Rowing: Lightly Forceful” by Christopher Dodd Guardian (U.K.) Mar. 25, 1993. (source: Double...
lung-opener n.— «To that extent, the lung opener, to borrow an expression from horse racing lexicon, was useful in fine-tuning the team for the stern tests ahead, starting with the clash against Sri Lanka at Dambulla tomorrow.» —“Thank the lucky...

