1) Aircraft recycling 2) Seclusion 
Cocooning is the name given to the trend that sees individuals socializing less and retreating into their home more. The term was coined in the 1990s by Faith Popcorn, a trend forecaster and marketing consultant: Popcorn identified cocooning as a commercially significant trend that would lead to, among other things, stay-at-home electronic shoppin...[immunization] Cocooning, also known as the Cocoon Strategy, is a vaccination strategy that has been recommended by the Centers for Disease Control and Prevention (CDC) in the United States since 2006. It aims to protect newborn infants from becoming infected with pertussis by administering DTaP/Tdap (tetanus, diphtheria and acellular pertu...
Cocooning is American slang for staying at home with the family rather than socialising.
American slang for staying at home with the family rather than socialising.
noun retreating to the seclusion of your home (as for privacy or escape)
the practice of spending leisure time at home, esp. watching television or using a VCR.