wa·ter·course 
(wôtər-kôrs′, wŏtər-)
(wôtər-kôrs′, wŏtər-)n.
1. A natural or artificial channel through which water flows.
2. A stream or river.
- circuit
- circuit board
- circuit breaker
- circuit court
- circuitous
- circuitously
- circuitousness
- circuit rider
- circuitry
- circuit training
- circuity
- circular
- circular file
- circular function
- circularity
- circularization
- circularize
- circularizer
- circularly
- circular measure
- circular mil
- circular saw
- circulate
- circulating library
- circulation