morning dress

formal daytime apparel for men, including striped pants, a cutaway, and a silk hat.

a simple dress for wear in the home; housedress.

Compare evening dress.

Origin of morning dress

First recorded in 1690–1700

Imogen was lying on the bed in her morning-dress, with flushed cheeks and tumbled hair.

In the High Valley |Susan Coolidge
And then the speaker threw off his disguise-cloak, and appeared in morning-dress.

Punch, or the London Charivari, Vol. 103, October 22, 1892 |Various
Fig. 2d is a morning-dress, that would be very pretty to copy for a bridal wardrobe.

Godey's Lady's Book, Vol. 42, January, 1851 |Various
Mrs. Erwin herself wore a morning-dress of becoming delicacy, and an airy French cap; she had a light fall of powder on her face.

The Lady of the Aroostook |William Dean Howells

I mean that I don't want to meet the So-and-so's at your house, morning-dress.

It Never Can Happen Again |William De Morgan

morning dress

formal day dress for men, comprising a morning coat, usually with grey trousers and top hat