noun per·filo·graph \(ˌ)pərˈfīləˌgraf, -fil-, -rȧf\

Definition of perfilograph

  1. :  an instrument for recording undulations in the bottom of a river or harbor channel

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Origin and Etymology of perfilograph

Latin per filum by means of a cord (from per by means of, through + filum cord, thread) + English -o- + -graph — more at for, file

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capable of being understood in two ways

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