Baron

1. A title or degree of nobility; originally, the possessor of a fief, who had feudal tenants under him; in modern times, in France and Germany, a nobleman next in rank below a count; in England, a nobleman of the lowest grade in the House of Lords, being next below a viscount.
2. (Old Law) A husband; as, baron and feme, husband and wife.
Baron of beef ,
two sirloins not cut asunder at the backbone.
Barons of the Cinque Ports ,
formerly members of the House of Commons, elected by the seven Cinque Ports, two for each port.
Barons of the exchequer ,
the judges of the Court of Exchequer, one of the three ancient courts of England, now abolished.