logwood

noun

1. (countable, uncountable)A tree of species Haematoxylum campechianum, in the legume family, of great economic importance and growing throughout Central America.
2. (countable, uncountable)Any of various trees of the genus Xylosma in the willow family.
3. (countable, uncountable)Wood of any of these trees.

   “In the latter part of the eighteenth century in Maryland, [Easter] eggs were boiled in logwood which dyed the shells crimson, and the patterns would be scratched away with a pin.”