n.
Function: adjective
Date: 1881
1 a : being, originating, or done on the spot or in or for a particular spot < spot coverage of the news> b : available for immediate delivery after sale < spot commodities> c (1) : paid out upon delivery < spot cash> (2) : involving immediate cash payment <a spot transaction> d (1) : broadcast between scheduled programs < spot announcements> (2) : originating in a local station for a national advertiser e : performing occasionally when needed <chance of making the ⋯ varsity as a spot starter and relief pitcher ― N. Y. Times >
2 : made at random or restricted to a few places or instances <a spot check> also : selected at random or as a sample