πλευρά

English (LSJ)

ᾶς, ἡ,

   A = πλευρόν, rib, rare in sg., βοὸς π. Hdt.4.64; παρὰ τὴν π. ἑκάστην Arist.HA513b29: pl., ribs, Id.PA654b35.    2 pl., generally, side of a man or animal, ἄλλοτ' ἐπὶ πλευρὰς κατακείμενος, ἄλλοτε δ' αὖτε ὕπτιος Il.24.10; of both sides, ἀνὰ πλευράς τε καὶ ὤμους 23.716; οὐρῇ δὲ πλευράς τε καὶ ἰσχία ἀμφοτέρωθεν μαστίεται 20.170, cf. Hes.Sc.430, A.Pr.71, Eu.843 (lyr.): sg., also, of one side, S.OC1260, Aj.834, etc.; a side of beef, etc., PCair.Zen.381.5 (iii B.C., written πλερά): the pl. form is v.l. in E.Hec.826.    II side, of things and places, νηὸς πλευραί Thgn.513; χωρίου Pl.Sis.388e; [Πακτωλοῦ] D.P. 833; of an army, αἱ π. τοῦ πλαισίου X.An.3.4.22, cf. 28, Plu.Mar. 25, etc.; παρὰ π. τινὶ εἶναι Plb.5.26.6; παρὰ π., opp. κατὰ κεφαλήν, IG22.463.72    III Math., side of a triangle or other figure, Antipho Soph.13, Pl.Ti.53d, 54c, etc.: esp.    b side of a rectangle, ib.36c: hence, one factor of any product, Id.Tht.148a, Arist. Metaph.1051a26, Euc.7 Def.17, etc.    c side of a square of cube, and root of a square of cubic number, Id.8.11, 12, Theol.Ar.11; κυβικὴ π. cube root, Ph.Bel.52.4.    d generator of a cone or cylinder, Archim.Sph.Cyl.1.8, 12.