Hypertext Webster Gateway: "Annotto"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Annotto \An*not"to\, Arnotto \Ar*not"to\, n. [Perh. the native
name.]
A red or yellowish-red dyeing material, prepared from the
pulp surrounding the seeds of a tree ({Bixa orellana})
belonging to the tropical regions of America. It is used for
coloring cheese, butter, etc. [Written also {Anatto},
{Anatta}, {Annatto}, {Annotta}, etc.]
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