This is the 10608th most frequent Russian word.
водным
"Водным" means "water-related" or "aquatic" in English.
Here, 'водным' describes the type of sport—associated with water.
Он занимается водным спортом.
He practices water sports.
Here, 'водным' specifies the type of transport—water-based.
Урок связан с водным транспортом.
The lesson is related to water transport.
Here, 'водным' characterizes the adventures as related to water or aquatic environments.