- second wind - renewed energy or strength to continue an undertaking; "She had dinner and got a second wind to finish painting"; "the employers, initially taken by surprise at the pace of developments, regained their second wind"
--1 is a kind of energy, push, get-up-and-go
- second wind - the return of relatively easy breathing after initial exhaustion during continuous exertion
--2 is a kind of breathing, external respiration, respiration, ventilation
- second wind - the return of relatively easy breathing after initial exhaustion during continuous exertion