The definition of plangent is a loud or sad sound.(adjective)
An example of something plangent is the sound of a string quartet at a funeral.
See plangent in Webster's New World College Dictionary
Origin: L plangens, prp. of plangere, to beat: see plaint
See plangent in American Heritage Dictionary 4
Origin: Latin plangēns, plangent-
Origin: , present participle of plangere, to strike, lament; see plāk-2 in Indo-European roots.
Learn more about plangent