straiten

"The channel straitened the river through the town, made it flow faster, and caused more flooding upstream."

"After the heavy rain, the river was flooding the nearby town. "

"The heavy rain diminished the size of the garden flowers. "

"The dry-stone wall used a large, flat through to support the top stones. "

"After suffering diahrroea, the patient was restricted to a diet of rice, cold meat, and yoghurt."

"My sister is very helpful, especially when it comes to organizing things. "

"The upstream section of the river was too shallow for our boat to navigate. "

"A small group."

"The garden's flowerbeds were planted within the confines of the stone wall. "

""Because of unforeseen circumstances, the school trip was cancelled." "

"The water coming out of the waterwheel created a standing wave in the channel."

"He helped his daughter out financially, paying her rent and utilities, until she recovered from the accident."