hunker down Edit
Verb
    sit on one's heels
eg: The children hunkered down to protect themselves from the sandstorm

hunker down Edit
Verb
    take shelter
eg: During the sandstorm, they hunkered down in a small hut

hunker down Edit
Verb
    hold stubbornly to a position
eg: The wife hunkered down and the husband's resistance began to break down