cocoon

Universal Words noun, verb noun 1 a covering of silk threads that some insects make to protect themselves before they become adults 2 a soft covering that wraps all around a person or thing and forms a protection: (figurative) the cocoon of a caring family verb [VN] [usuallypassive] ~ sb/sth (in sth) to protect sb/sth by surrounding them or it completely with sth: We were warm and safe, cocooned in our sleeping bags. * I had a sheltered childhood, cocooned from the world by money and love.