1.verbTo provide cover from damage or harassment; to shield; to protect.
2.verbTo take cover.
"During the rainstorm, we sheltered under a tree."
3.adjectiveProtected, as from wind or weather.
"The boat was much safer, during the storm, in the sheltered cove."
4.adjective(Of a person) who grew up being overprotected by parents or other guardians; often implies a lack of social skills, worldly experience, etc.