noun / verb
frock
FRAHK/frɑːk/
A robe worn as a distinctive garment.
The monk wears a plain brown frock in the cloister.

Etymology
Old French froc named a monk’s habit as well as clothing more generally. The English meaning narrowed to an outer garment for women or children, leading to the familiar sense “dress.”
In context
you have white in your frock and only witches and sorceresses wear white my dress is blue and white checked said Dorothy
More examples
- The friars hang their frocks on hooks near the door.
- The novice wears a plain frock in the monastery.
- The church frocked him after he completed his religious training.
Forms
frock · frocks · frocked · frocking
defrock verb — To remove someone from the Christian clergy.