Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
noun
The line that connects the lowest points in a valley or river channel, and thus the line of fastest flow or deepest water along a river’s course.
Definition source: English Wiktionary via Wiktextract
Topics: cartography, geography, geology, natural-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
a line following the lowest points of a valley
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
Broader terms: contour, contour line
noun
the middle of the chief navigable channel of a waterway that forms the boundary line between states
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
Broader terms: boundary, edge, bound
History
Borrowed from 19th century German Thalweg, from Thal (“valley”) + Weg (“way, course”).
Across languages
16 source translations are retained for this English entry.
