παράλληλος · parallēlos — LSJ
beside one another, side by side, αἱ π. (sc. γραμμαί) parallel lines, Arist. APr. 65a4, APo. 77b22, cf. Mech. 856b28 ; π. κύκλοι the five zones, D.L. 7.155, Nonn. D. 38.258 ; ὁ π. κύκλος parallel of latitude, Hipparch. 2.2.26, al., Cleom. 1.2, etc.: without κύκλος, ὁ διὰ τοῦ Βορυσθένους π. Str. 1.4.4, al.; οἱ βίοι οἱ π. the parallel lives of Plutarch, Plu. Thes. 1, cf. Pel. 2, etc.; ἐκ παραλλήλου parallelwise, Id. Comp.Ag.Gracch. 1.
ἐν παραλλήλοις κεῖσθαι, of words used pleonastically, A.D. Adv. 140.13 ; ἐκ παραλλήλου εἰρηκέναι Alex.Aphr. in Metaph. 331.1, cf. Asp. in EN 65.30, 104.1. Adv. -λως, τίθεσθαι A.D. Synt. 247.17 ; but π. χρώμενοι τοῖς ὀνόμασιν using the forms (Ζῆνα, Δία) indifferently, Arist. Mu. 401a14.
c. dat., parallel to or with, χάραξ π. τῷ τείχει Plb. 8.32.3, etc.; ὁ Ῥῆνος π. ὢν τῇ Πυρήνῃ Str. 4.1.1.