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

• finessing
• finessings
• finest
• fine-tooth
• fine-tooth comb
• fine-tooth combs
• fine-toothed
• fine-toothed comb
• fine-toothed combs
• fine-tune
• fine-tuned
• fine-tunes
• fine-tuning
• fine writing
• finfish
• finfoot
• fin-footed
• finfoots
• fingan
• fingans
• finger
• finger-alphabet
• finger-alphabets
• finger-and-toe
• fingerboard