Tagua

A type of nut used as an ivory substitute.
Found on http://www.encyclo.co.uk/local/22217

tagua

tagua (tä'gwä) , fruit of the ivory-nut palm (Phytelephas macrocarpa), which flourishes in tropical America from Paraguay to Panama. The female palms bear large woody, burrlike fruits, each containing several seeds about the size of hen's eggs. The immature seeds are gelatinous and edi...
Found on http://www.infoplease.com/ce6/sci/A0847627.html
No exact match found