Commerce. one of a certain number of days allowed by a charter party for loading or unloading a vessel without demurrage.
Nautical. a day in which a vessel is delayed in port.
Origin of lay day
First recorded in 1835–45
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
commerce the number of days permitted for the loading or unloading of a ship without payment of demurrage
nautical the time during which a ship is kept from sailing because of loading, bad weather, etc
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012