CONCENTRE • E-FREE TRANSLATION.COM • Definition of Concentre

... circumstance which to my mind furnishes sufficient evidence that there is not so near or so good a rout to the plains of Columbia by land along that river as that which we came. the several war routs of the Minetarees which fall into this vally of Clark's river concenter at traveller's rest beyond which point they have never yet dared to venture in pursuit of the nations beyond the mountains. all the nations also on the west side of the mountain with whom we are acquainted inhabiting the waters of Lewis's river & who visit the plains ...

— The Journals of Lewis and Clark • Meriwether Lewis et al