The Collaborative International Dictionary
Bridge-ward
Bridge-ward \Bridge"-ward`\, n.
A bridge keeper; a warden or a guard for a bridge. [Obs.]
--Sir W. Scott.The principal ward of a key.
--Knight.
Wiktionary
bridge-ward
n. 1 (context obsolete English) A warden or guard for a bridge. 2 (context obsolete English) The principal ward of a key.