[f. LAY v.1 + BY adv.]
A. sb.
1. A slack part of a river in which barges are laid by out of use.
1879. E. J. Castle, Law of Rating, 61. Pumping station, wharf, lay-by for barges.
1891. Field, 7 March, 344/2. A lay-by near Windsor Bridge. Ibid. (1892), 17 Sept., 454/3. Screened lay-byes and deep pools.
1899. Daily News, 11 May, 2/6. There is a river frontage to the Thames of 160ft. with private dock and lay-by for three barges.
2. Something laid by or saved; savings.
1894. Baring-Gould, Kitty Alone, III. 65. I had gone with all my little lay-by to get you out of your difficulties.
b. attrib. or adj. Intended to be laid by.
1804. W. Taylor, in Robberds, Mem., I. 492. You might have executed a correct and expurgated copy for a lay-by edition.