Second Wind — definition

1. second wind (Noun)

second wind (Noun) — Renewed energy or strength to continue an undertaking. ex. "She had dinner and got a second wind to finish painting" ex. "the employers, initially taken by surprise at the pace of developments, regained their second wind"

second wind (Noun) — The return of relatively easy breathing after initial exhaustion during continuous exertion.

breathing energy external respiration get-up-and-go push respiration ventilation