n. (pl. -ies)
1. (hist. except in titles) (in the UK) the department administering the Royal Navy.
2 (admiralty) Law trial and decision of maritime questions and offences.
Phrases and idioms:
Admiralty Board hist. a committee of the Ministry of Defence superintending the Royal Navy.
Etymology: ME f. OF admiral(i)t{eacute} (as ADMIRAL)