Definition of "layup"

The City Hall station on the BMT line [...] has a lower level that was never put into service. Yet the platforms have been maintained, are well illuminated, and serve as a layup and storage area for the MTA.

2005, Julia Solis, New York Underground: The Anatomy of a City, New York City: Routledge, page 83

A nonmoving empty train, or a layup, was easiest to pin down at night or on weekends when trains would park on the dormant stretches of express tracks.

2010, Michele Carlo, Fish Out of Agua: My Life on Neither Side of the (Subway) Tracks, New York City: Citadel Press, page 88

In addition to employing flax fibres for polymer-coated sutures, more recently, flax fibres have been proposed for reinforcing polymer composites, such as hand layup laminated scaffolds in tissue engineering.

2015, Fong, T. C., Saba, N., Liew, C. K., De Silva, R., Enamul Hoque, M., Goh, K. L., “Yarn Flax Fibres for Polymer-Coated Sutures and Hand Layup Polymer Composite Laminates”, in Salit, M., Jawaid, M., Yusoff, N., Hoque, M., editors, Manufacturing of Natural Fibre Reinforced Polymer Composites, Cham: Springer, page 155