disk (n.)
- annulus
- areola
- aureole
- carousel
- chaplet
- circle
- circuit
- circumference
- circus
- coat
- coating
- collop
- corona
- coronet
- covering
- crown
- cut
- cycle
- deal
- diadem
- discus
- film
- flap
- foil
- fold
- garland
- glory
- halo
- lamella
- lamina
- lap
- lasso
- leaf
- loop
- membrane
- merry-go-round
- noose
- orbit
- pane
- panel
- patina
- peel
- pellicle
- plait
- plank
- plate
- plating
- ply
- plywood
- radius
- rasher
- ring
- roller
- rotor
- round
- roundabout
- roundel
- rundle
- saucer
- scum
- sheet
- skin
- slab
- slat
- slice
- sphincter
- table
- tablet
- top
- veneer
- wafer
- wheel
- whirler
- whirligig
- wreath
