[path-fahyn-der, pahth‐]


a person who finds or makes a path, way, route, etc., especially through a previously unexplored or untraveled wilderness.
an airplane, or a person dropped from a plane, sent into a target area to illuminate the area for succeeding aircraft.
a radar beacon beamed into a target area to provide guidance for missiles seeking the target.
(initial capital letter) an unmanned spacecraft that landed on Mars on July 4, 1997, to obtain climatic and geologic data.

Origin of pathfinder

An Americanism dating back to 1830–40; path + finder
Related formspath·find·ing, noun, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for pathfinding

Historical Examples of pathfinding

  • Fremont's "pathfinding" virtually completed the exploration of the country.

    American Men of Action

    Burton E. Stevenson

  • The trouble began when Smith was pathfinding on the upper Athabasca for the new transcontinental.

  • Wonderful as they were, with their pathfinding and all that, they could hardly penetrate to his humble, sequestered little home.

    Pee-wee Harris on the Trail

    Percy Keese Fitzhugh

British Dictionary definitions for pathfinding



a person who makes or finds a way, esp through unexplored areas or fields of knowledge
an aircraft or parachutist who indicates a target area by dropping flares, etc
a radar device used for navigation or homing onto a target
Derived Formspathfinding, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for pathfinding



1839 (Cooper), from path + finder.

Online Etymology Dictionary, © 2010 Douglas Harper

pathfinding in Medicine




A filiform bougie for introduction through a narrow stricture as a guide for the passage of a larger instrument.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.