Liddell–Scott–Jones: ἄπλευρος

ἄπλευρος,ον,

A. without sidesorribs, ἄ. στῆθος narrowchest, Arist. Phgn. 810a3 , cf. 809b7 ( Comp. ); of persons,narrow-chested,opp.εὔπλευροι,ib. 810b13 , Teles p.55.3 H., Mnesith. ap. Orib. 21.7.6 ( Sup. ).