a playing card or the upward face of a die bearing five pips; a domino one half of which bears five pips.
2.
Slang. a five-dollar bill.
3.
a low plant, Nemophila maculata, of the waterleaf family, native to western and central California, having white flowers with a purple spot at the tip of each of its five petals.
Origin
1900-05, Americanism
Examples from the web for five-spot
The test is designed in a five-spot configuration, allowing for an effective data collection and monitoring program.
Lignite test site with rig set up at injection well, showing five-spot configuration.