πλευρίτης
From LSJ
ἤ με φίλει καθαρὸν θέμενος νόον, ἤ μ' ἀποειπών ἐχθαιρ' ἀμφαδίην νεῖκος ἀειράμενος → either love me with a pure heart, or reject and hate me, and openly pick a fight
English (LSJ)
[ῑ], ου, ὁ,
A connected with ribs, of vertebrae, Poll.2.178.
German (Pape)
[Seite 631] ὁ, zur Seite, Rippe gehörig, auf, an der Seite, Sp..