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.]
- tiger-eye
- tigerish
- tiger lily
- tiger moth
- tiger salamander
- tiger's-eye
- tiger's-eye
- tiger shark
- tiger shrimp
- tiger swallowtail
- Tighina
- tight
- tight ass
- tight-assed
- tighten
- tighten belt
- tight end
- tightener
- tighten (one's) belt
- tighten one's belt
- tightfisted
- tightfistedness
- tightlipped
- tight-lipped
- tightlippedness