'Stemma' definitions:
Definition of 'stemma'
From: WordNet
noun
A tree diagram showing a reconstruction of the transmission of manuscripts of a literary work
noun
The descendants of one individual; "his entire lineage has been warriors" [syn: lineage, line, line of descent, descent, bloodline, blood line, blood, pedigree, ancestry, origin, parentage, stemma, stock]
noun
An eye having a single lens [syn: simple eye, stemma, ocellus]