e/Contour canal

Information
has gloss	eng: The phrase contour canal generally refers to an artificially-dug navigable canal which closely follows the contour line of the land it traverses in order to avoid costly engineering works such as cutting a tunnel through higher ground, an embankment over lower ground, or a canal lock (or series of locks) to change the level of the canal.
lexicalization	eng: contour canal
instance of	c/Canals