cortex (n.)
- armature
- armor
- bark
- border
- buckler
- chitin
- circumference
- cork
- covering
- crust
- elytron
- envelope
- epicarp
- epidermis
- episperm
- exterior
- external
- facade
- face
- facet
- fringe
- front
- habergeon
- harness
- hauberk
- integument
- lorica
- needles
- outline
- outside
- panoply
- peel
- peeling
- pericarp
- periphery
- plate
- rind
- scute
- shell
- shield
- skin
- superficies
- superstratum
- surface
- test
- testa
- top
