thalweg or talweg /tälˈveg, -vāhh/ (geology)

1. The longitudinal profile of the bottom of a river bed
2. The middle of a main navigable waterway, acting as a boundary between states

• bannerols
• banners
• banning
• bannister
• bannisters
• bannock
• bannocks
• banns
• banoffee pie
• banoffee pies
• banquet
• banqueted
• banqueteer
• banqueteers
• banqueter
• banqueters
• banqueting
• banqueting-hall
• banqueting-halls
• banqueting-house
• banqueting-houses
• banquetings
• banquets
• banquette
• banquettes