Meaning : Sit on one's heels.
Example :
In some cultures, the women give birth while squatting.
The children hunkered down to protect themselves from the sandstorm.
Synonyms : crouch, hunker, scrunch, scrunch up, squat
Meaning : Take shelter.
Example :
During the sandstorm, they hunkered down in a small hut.
Meaning : Hold stubbornly to a position.
Example :
The wife hunkered down and the husband's resistance began to break down.