Term: head-bars
Definition: "two round pieces of Wood, reaching on each side from one end of a Canow to the other. These are the Supporters of the Canow, for the Ribs and Spars are made fast upon them. " - Lahontan
[Source: Lahontan, Louis. New voyages to North-America... (London, 1703) at Turning Points in Wis. History (www.wisconsinhistory.org/turningpoints/)]