Lexical Definition

‎στέμμα‎ stémma (stem'-mah) wreath ^G:N-N
from the base of ‎στέφανος‎

garland.

• a wreath for show

Abbott-Smith

* στέμμα, -τος, τό (< στέφω, to put around, enwreath)
a wreath, garland: as used in sacrifices, Ac 14:13.†

Abbott-Smith References

Liddell-Scott-Jones

στέμμα, ατος, τό,

(στέφω) mostly in plural (singular in [Refs 8th c.BC+], wreath, garland, chaplet, especially of the priest's laurel-wreath, wound round a staff, στέμματ᾽ ἔχων ἐν χερσὶ.. χρυσέῳ ἀνὰ σκήπτρῳ [Refs 8th c.BC+]; σκῆπτρον καὶ σ. θεοῖο[Refs 5th c.BC+]; sometimes worn on the head, σ. ἐπὶ τῶν κεφαλῶν ἐχούσας [Refs 5th c.BC+]; Φοῖβος ἔλακεν ἐκ τῶν σ. from shrine with chaplcts decked, [Refs 5th c.BC+]; used in sacrificial ceremony, στέμμασι πυκασθείς (of victim) [Refs 5th c.BC+]; σ. πάλας, as a prize, [στέμματ᾽ Ὀλυμπιάδων [prev. work]881 (from Cyzicus), etc.">Refs]; ὁ ἐπὶ τῶν στεμμάτων an official connected with the crowns of office of magistrates (compare στεπτικός, στέφανος), [Refs 2nd c.AD+]

__2 [στέμματα">Refs 5th c.BC+] were wreaths of wool wound round the olive-branch; hence στέμματα ξήνασ᾽ [Refs 5th c.BC+]
__II in plural, στέμματα pedigrees, family trees, [Refs 1st c.AD+]; Latin stemmata quid faciunt? [Refs 1st c.AD+]
__II.2 guild, [Refs]. guild of huntsmen, [Refs]