Dictionary.net

• The native name of the small gall formed on the tamarisk tree.

1899 - The american dictionary of the english language.
By Daniel Lyons

• tak'a-howt, n. an Arab name for the small gall formed on the tamarisk-tree, and used as one source for obtaining gallic acid.

1908 - Chambers's Twentieth Century Dictionary of the English Language
By Thomas Davidson