From The Collaborative International Dictionary of English v.0.44 [gcide]:
Note: The London hogshead of beer was 54 beer gallons, the London hogshead of ale was 48 ale gallons. Elsewhere in England the ale and beer hogsheads held 51 gallons. These measures are no longer in use, except for cider.
From WordNet (r) 2.0 [wn]:
Define.com is a registered nonprofit corporation dedicated solely to the global public interest and the advancement of humanity. It belongs to all of us who have a desire to promote electronic democracy, science, creativity, imagination, reason, critical thinking, peace, race and gender equality, civil rights, equal access to education, personal liberty, free speech, animal rights, compassionate and nonviolent parenting, social and economic justice, global monetary reform, Secular Humanism, cognitive liberty and a permanent cessation of The War on Drugs.
Let's see what we can do if we put our heads together.0