The mates regularly relieved each other at the watches, and for aught that could be seen to the contrary, they seemed to be the only commanders of the ship; only they sometimes issued from the cabin with orders so sudden and peremptory, that after all it was plain they but commanded vicariously.
There are no more uses of "vicarious" in the book.
Show samples from other sources
I prefer to defy death vicariously.
The book is full of romance and vicarious thrills.