sergeant

noun

1. any of several noncommissioned officer ranks in the Army or Air Force or Marines ranking above a corporal

   noun.person

   Source: WordNet 3.0

2. a lawman with the rank of sergeant

   noun.person

   Synonyms police sergeant

   Source: WordNet 3.0

3. an English barrister of the highest rank

   noun.person

   Synonyms sergeant-at-law serjeant serjeant-at-law

   Source: WordNet 3.0

4. Formerly, in England, an officer nearly answering to the more modern bailiff of the hundred; also, an officer whose duty was to attend on the king, and on the lord high steward in court, to arrest traitors and other offenders. He is now called <i>sergeant-at-arms</i>, and two of these officers, by allowance of the sovereign, attend on the houses of Parliament (one for each house) to execute their commands, and another attends the Court Chancery.

   noun

   Source: webster1913