n. & v.
--n.
1. a a silky case spun by many insect larvae for protection as pupae. b a similar structure made by other animals.
2 a protective covering, esp. to prevent corrosion of metal equipment.
--v.
1. tr. & intr. wrap in or form a cocoon.
2 tr. spray with a protective coating.
Etymology: F cocon f. mod. Prov. coucoun dimin. of coca shell