geocache verb 2noun 1forms 3 verb2 •To participate in geocaching.Those who have never geocached assume that it must be a really easy game — 2004 •To hide or seek a geocache. noun1 •A container hidden in a specific location during geocaching.The treasures in this case are geocaches, those little plastic boxes of goodies that are hidden all over the earth. — 2006 formsgeocached · geocaching · geocaches