Definition of "every-day"

Now, an every-day horse I have ever found to be something like the usual thing understood by an every-day coat or hat—a somewhat inferior article. So it was with these every-day horses: with the harriers they were well enough; so is the every-day coat to walk about our own grounds in, but we want something more spicy for the public.

1858 October, Harry Hieover, “Breeding Versus Buying, and Vice Versa”, in The New Sporting Magazine, London, page 257

The drapery of the old Greek sculptors was founded on artistic principles and ideas—not on those of practical utility; while the every-day dress, beautiful and simple though it always remained, was “conformed to the protection and comfort of the body, and the convenience of the wearer.”

1872, Ethel C. Gale, “Outline History of Costume”, in Hints on Dress; What to Wear, When to Wear It, and How to Buy It (Putnam’s Handy Book Series), New York, N.Y.: G. P. Putnam & Sons, […], page 4

The washing must be done quickly, for the skins of the jamckon are scarce, and her father is obliged to wear his every-day clothes on Sunday.

1883 January, C. O. B., “The Evolution of a Thought”, in The Overland Monthly Devoted to the Development of the Country, volume I (second series), number 1, San Francisco, Calif.: Samuel Carson, […], page 110, column 1