lay in

Verb

lay in (third-person singular simple present lays in, present participle laying in, simple past and past participle laid in)

1. (transitive) To put (something) aside for future use.
   • to lay in a stock / store / supply of something
   • Now […] there came vnto my knowledge, an inconuenience happened by the carelesse negligence of the Master of my ship, who had the charge of prouiding and laying in the prouisions and victuals for the voyage,1613, Robert Harcourt, A Relation of a Voyage to Guiana, London: W. Welby, page 46
2. (transitive) To add (something) to a painting, especially directly onto the blank canvas in the early stages of the work.
   • She uses a round brush to lay in the background.
   • The whole [mountain] is first laid in with a very delicate and masterly grey, right in tone, agreeable in colour, quite unobjectionable for a beginning. But how is this made into rock?1843, [John Ruskin], chapter 3, in Modern Painters […], volume I, London: Smith, Elder and Co., […], →OCLC, part II (Of Truth), section IV (Of Truth of Earth), § 4, page 287
3. (prison) To give a lay-in; to allow or require one to remain in one's cell, rather than work, due to injury or illness.