tīngoingoi
1. (noun) intestinal villus, villi - small, finger-like projections that protrude from the epithelial lining of the intestinal wall.
He huhua (miriona) ngā mati ririki i te kiriroto o te kōpiro iti, ka kīia he tīngoingoi (RP 2009:349). / There are masses (millions) of small fingers in the endoderm of the small intestine, called villi.