cap of maintenance

noun

1. a ceremonial cap or hat worn or carried as a symbol of office, rank, etc

Example Sentences

Finally, after some minutes' wait, a frail, white-haired man in a little black cap-of-maintenance appeared in the screen.

From Project Gutenberg

He wore fur-lined slippers and a loose robe with a fur collar, and his little black cap-of-maintenance.

From Project Gutenberg