cus·tom·er 
(kŭstə-mər)
(kŭstə-mər)n.
1. One that buys goods or services, as from a store or business.
2. Informal An individual with whom one must deal: That teacher is a tough customer.
[CUSTOM, habitual patronage of a business + -ER1.]
- polyamorous
- polyamory
- polyandrous
- polyandry
- polyanthus
- polyaramid fiber
- polyatomic
- polybasic
- polybasite
- Polybius
- polycarbonate
- Polycarp
- polycarpic
- polycarpous
- polycarpy
- polycentric
- polycentrism
- polychaete
- polychaetous
- polychlorinated biphenyl
- polychromatic
- polychromatophile
- polychromatophilia
- polychromatophilic
- polychrome