Definitions
1.nounAn exercise performed by bending forward at the waist and then returning to a standing posture, while bearing a barbell across the shoulders.
2.interjectionUsed as a greeting when meeting somebody for the first time in the morning.""Good morning, Joan," said Judy at 9:00 AM."
3.interjection(by extension) Used to greet someone who has just awakened (irrespective of the time of day).
4.interjection(by extension) Said to someone who has come to a belated realization.
5.interjectionA greeting said when parting from someone in the morning.