
1) Tribe of northeastern India
Found on
https://www.crosswordclues.com/clue/santal

• (n.) A colorless crystalline substance, isomeric with piperonal, but having weak acid properties. It is extracted from sandalwood.
Found on
http://thinkexist.com/dictionary/meaning/santal/

Member of one of the largest groups of indigenous peoples in India, found mainly in West Bengal, Bihar, Jharkhand, and Orissa. Their language, Santali, belongs to the Munda language group....
Found on
http://www.encyclo.co.uk/local/20688
San'tal noun [
Sant alum + piperon
al .]
(Chemistry) A colorless crystalline substance, isomeric with piperonal, but having weak acid properties. It is extracted from sandalwood.
Found on
http://www.encyclo.co.uk/webster/S/14
No exact match found.