[ kə'ku:n ]
■ noun
1》 a silky case spun by the larvae of many insects for protection as pupae.
↘something that envelops someone in a protective or comforting way.
2》 a covering that prevents the corrosion of metal equipment.
■ verb
1》 wrap in a ~.
2》 N. Amer. retreat from the stressful conditions of public life into the private world of the family.
Derivatives
~er noun
Origin
C17: from Fr. cocon , from med. Provençal coucoun 'eggshell, ~', dimin. of coca 'shell'.