Longman Dictionary of Contemporary English
Wiktionary
n. formal daywear consisting of a (usually) gray tailcoat and matching trousers, grey top hat, white shirt and tie or cravat. Morning dress can be worn up to 5:00 pm.
Usage examples of "morning suit".
The personage who occupied the other part of the bench was a man dressed in a morning suit a la militaire and black stock.
The bride's father wore a Savile Row morning suit with a perfect white carnation at his lapel.
Monk and Ham were having one of their usual quarrels, and Ham got reckless and went back to the car for the suitcase containing his morning suit.
As he passed the next tomb, however, there was another grating noise, and that opened up, too, revealing a half-decayed man in a morning suit.
It was no use denying that the tall man with glasses looming over the bridegroom's shoulder, and looking absurd in his rented morning suit and top-hat, was me.
In the middle of all those aunts and uncles, those college friends and work colleagues, there is old Josh, a big handsome fellow in his morning suit, his arms folded across his chest.
She lost her aplomb only briefly during the ceremony, and that was when she saw General Sean Courtney sitting in the front pew with his wife beside him, Sean in morning suit and with a diamond pin in his cravat, Ruth cool and elegant in a huge wagon-wheel sized hat, the brim thick with white roses.
Rimmer dismissed the tailor and started to slide his latest body into his crisp, new morning suit.