Definition of sea legs in US English:

sea legs

plural noun

one's sea legs
  • A person's ability to keep their balance and not feel seasick when on board a moving ship.

    ‘now I've found my sea legs I'll be much more useful’
    • ‘I've got some captain things that need looking to, so you and your friends are welcome to walk about and find your sea legs.’
    • ‘A soldier's life is much spent on his country's vessels, but I never managed to acquire my sea legs.’
    • ‘She had had her sea legs for too long now to be getting seasick.’
    • ‘The earth seemed to sway beneath her legs for a moment, but she quickly traded sea legs for land legs, regaining steadiness.’
    • ‘The first part of the journey passed in a succession of wet, windy days, but I quickly found my sea legs and never actually missed a meal.’
    • ‘The three stepped ashore on Trinidad, and tried to adjust their sea legs.’
    • ‘Besides, he decided, it was time to try out his sea legs again.’
    • ‘After a minute or two of deep breathing, he got his sea legs back.’
    • ‘Don't worry, you will get your sea legs soon enough.’
    • ‘Adam clung for a moment to the saddle leathers while he got what his father would have called his sea legs.’
    • ‘Styles stood there with his sea legs planted firmly to adjust to the larboard list.’
    • ‘For the uninitiated, this book is the closest thing to getting one's sea legs without ever having to leave shore.’
    • ‘Most of my evenings were spent lying on the small white cot in the corner, writhing around on the bed, trying to regain my sea legs.’
    • ‘It took a few days for her sea legs to come, and once they did she quickly learned how to help sail the ship.’
    • ‘I apologize, to be honest I am still finding difficulties gaining my sea legs.’
    • ‘During the first three weeks she struggled, stumbling, tripping, and vomiting, due to seasickness and the fact that it took her that long to get her sea legs.’

Pronunciation

sea legs

/ˈsi ˌlɛɡz/