thalwege

Etymology
From, plural form of , obsolete (pre-1901) spelling of.

Noun

 * 1) * 1973: Geotitles Weekly, volume 16: № 195 – volume 17: № 203, unknown page number (Geoservices)
 * Includes longitudinal river profiles, graded profiles, graded slopes, graded streams, thalwege, interlocking spurs.
 * Includes longitudinal river profiles, graded profiles, graded slopes, graded streams, thalwege, interlocking spurs.