double dagger

WordReference Random House Unabridged Dictionary of American English © 2026

dou′ble dag′ger, [Print.]

1. Printing a mark () used for references, as footnotes. Also called diesis. 

• 1700–10

Collins Concise English Dictionary © HarperCollins Publishers::

double dagger noun

1. a character (‡) used in printing to indicate a cross reference, esp to a footnote
   Also called: diesis, double obelisk