two-wayswimmer
nounUK /ˌtuːˈweɪˌswɪmə/
US /ˌtuːˈweɪˌswɪmər/
A two-wayswimmer is a swimmer who can swim in both directions.
The two-wayswimmer crossed the pool and came right back.
OTHER MEANINGS
2. A fish that can swim forward and backward with equal ease.
The little two-wayswimmer darted backward when it saw the net.
3. A person who swims a route and then returns the same way.
As a two-wayswimmer, she always swam to the buoy and back.
4. A training drill where you swim one length and then reverse.
Coach added a two-wayswimmer to the warm-up.