Rapid is defined as something that is fast or quick or that happens in a short time.(adjective)
The definition of a rapid is a turbulent part of a river where the current flows quickly.(noun)
A narrow part of river bed where the current is flowing rapidly is an example of a rapid.
See rapid in Webster's New World College Dictionary
Origin: L rapidus < rapere, to seize, rush: see rape
See rapid in American Heritage Dictionary 4
adjective rap·id·er, rap·id·est
Origin: Latin rapidus
Origin: , from rapere, to seize; see rep- in Indo-European roots.
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