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.]
