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

• full-dress
• full-dress debate
• full-dress debates
• fulled
• fuller
• fullerene
• fullerenes
• fullers
• fuller's earth
• fuller's-herb
• fullest
• full-eyed
• full-face
• full-faced
• full-fashioned
• full-fed
• full-fledged
• full fling
• full-fraught
• full-front
• full-frontal
• full-frontals
• full-grown
• full hand
• full-handed