Examples from the Web for greenheart
Her sides are some eighteen inches thick, and sheathed and resheathed with "greenheart" to help her in battering the ice.A Labrador Doctor|Wilfred Thomason Grenfell
Greenheart is the wood used for gates exposed to salt water, as it resists the attack of the teredo in temperate climates.
I saw a friend last autumn produce a 15-foot greenheart rod on Tweedside.Lines in Pleasant Places|William Senior
The ice-skin is of greenheart, and covers the whole ship's side from the keel to 18 inches from the sheer strake.The South Pole, Volumes 1 and 2|Roald Amundsen
The material used is dagame, or greenheart, the butt being 5/8 in.The Boy Mechanic, Book 2|Various