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

• Chassidic
• Chassidism
• chassis
• chassé
• chassé-croisé
• chasséed
• chasséing
• chassés
• chassés-croisés
• chaste
• chastely
• chasten
• chastened
• chastener
• chasteners
• chasteness
• chastenesses
• chastening
• chastenment
• chastenments
• chastens
• chaster
• chastest
• chaste tree
• chaste trees