(UK) A paved area at the side of a highway designated for drivers to stop in, for emergency parking, or where vehicles can wait, with larger lay-bys possibly having facilities like food vendors or public telephones.
(UK) A railroadsiding; a second, short railroad track just to the side of a railroad track, connected with the main track by a switch and used for unloading, bypassing, etc.
(nautical) A widened section of a narrow river or canal, formed to one side so as to leave the channel free, for mooring of vessels, where vessels can lay over or allow others to pass.
(Australia, New Zealand, South Africa) A method of retail purchase in which the selected goods are set aside and the customer pays for them in instalments, receiving them when fully paid; layaway.
1930 October 16, Hordern Brothers (Sydney retailer), advertisement, quoted in 1966, Sidney J. Baker, The Australian Language, second edition, chapter X, section 2, page 206,Avail yourself of our Lay-By Service
