Definify.com
Webster 1913 Edition
Arnotto
An-not′to
(ăn-nŏt′tō̍)
, Ar-not′to
(är-nŏt′tō̍)
Noun.
[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.]