C2[I or T]to protect yourself, or another person or thing, from bad weather, danger, or attack: We were caught in a thunderstorm, without anywhere to shelter.A group of us were sheltering from the rain under the trees.Defending and protectingBacking, supporting and defendingPreserving and saving›[T]to give someone a secret hiding place so that they will not be caught by the army, police, etc.: Local people risked their own lives to shelter resistance fighters from the army.Defending and protectingBacking, supporting and defendingPreserving and saving