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								1.
								of a period of maximal use or demand or activity 
								at peak hours the streets traffic is unbelievable 
							 'peak' - used as a noun 
								2.
								the most extreme possible amount or value 
								voltage peak 
								3.
								the period of greatest prosperity or productivity 
								4.
								the highest level or degree attainable; the highest stage of development 
								the peak of perfection 
								summer was at its peak 
								5.
								the top point of a mountain or hill 
								the view from the peak was magnificent 
								6.
								a V shape 
								7.
								the highest point (of something) 
								at the peak of the pyramid 
								8.
								a brim that projects to the front to shade the eyes 
							 'peak' - used as a verb 
								9.
								to reach the highest point; attain maximum intensity, activity 
								That wild, speculative spirit peaked in 1929 
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				derived forms		
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			1. Peak / Plural 
			peaks 
			2. Peak / Past 
			peaked 
			3. Peak / Third Person 
			peaks 
			4. Peak / Present Participle 
			peaking 
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