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discriminant function
discriminate
discriminating
discriminating monopoly
discrimination
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discursive
discus
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discus

dis·cus [ dískəss ] (plural dis·cus·es or dis·ci [ dí sk ])


noun 
Definition:
 
1. disk thrown in track-and-field: a weighted disk thrown in track-and-field competitions by an athlete who spins with outstretched arms to launch it from the flat of his or her hand. The ancient Greek Olympic games included the throwing of a bronze discus.

2. track-and-field event: a track-and-field event in which the contestants compete to throw a discus as far as possible

3. colorful aquarium fish: a small colorful freshwater fish that has a compressed disk-shaped body and is popular as an aquarium fish. Native to: South America.  Latin name Symphysodon discus.

[Mid-17th century. < Latin (see dish)]
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