1. (noun) a natural object that covers or envelops

• cover
• covering

1. (noun) a natural object that covers or envelops

• bark
• blanket
• mantle
• body covering
• cap
• hood
• case
• sheath
• chlamys
• floral envelope
• perianth
• perigone
• perigonium
• crust
• encrustation
• incrustation
• eggshell
• shell
• envelope
• indument
• indumentum
• indusium
• integument
• pericarp
• seed vessel
• peridium
• roof
• sac
• theca
• scale
• shell
• shell
• skim
• slough
• snowcap
• test
• vesture

1. (noun) a natural object that covers or envelops

• natural object

1. (noun) a natural object that covers or envelops

• cover
• spread over