stemma

Noun

Synonyms: lineage line line of descent descent bloodline blood line blood pedigree ancestry origin parentage stock

WordNet 3.0

Noun (3)

a tree diagram showing a reconstruction of the transmission of manuscripts of a literary work
the descendants of one individual“his entire lineage has been warriors”Synonyms: lineage line line of descent descent bloodline blood line blood pedigree ancestry origin parentage stock
an eye having a single lensSynonyms: simple eye ocellus

Webster's Dictionary (GCIDE)

Stemma \Stem"ma\, n.; pl. Stemmata. [NL., fr. Gr. ?, pl. ?, a garland or chaplet.] (Zool.) (a) One of the ocelli of an insect. See Ocellus. (b) One of the facets of a compound eye of any arthropod. [1913 Webster]