ἀρραφής
From LSJ
φιλοσοφώτερον καὶ σπουδαιότερον ποίησις ἱστορίας ἐστίν: ἡ μὲν γὰρ ποίησις μᾶλλον τὰ καθόλου, ἡ δ' ἱστορία τὰ καθ' ἕκαστον λέγει → poetry is something more scientific and serious than history, because poetry tends to give general truths while history gives particular facts
English (LSJ)
ές, = sq. 2,
A κεφαλαί Arat.Iatr.ap.Poll.2.38.
Greek (Liddell-Scott)
ἀρραφής: -ές, = τῷ ἑπ., ἄνευ τοῦ πριονωτοῦ τοῦ κρανίου, ἄνευ ῥαφῶν τῶν ὀστῶν τοῦ κρανίου, ἀρραφέες κεφαλαὶ Ἄρατ. παρὰ Πολυδ. Β΄, 38.
Spanish (DGE)
(ἀρρᾰφής) -ές
medic. que no tiene suturas πολλαὶ δ' ἀρραφέες κεφαλαί Arat.SHell.95.