τετρᾰ́-μετρος,ον,
A. consisting of four metres, i.e., in iambic and trochaic verse,consisting of four double feetorsyzygies:τὸ τετράμετρονis generallythe trochaic tetrameter, Ar. Nu. 642 , 645 , X. Smp. 6.3 , Arist. Rh. 1404a31 , 1409a1 , Po. 1459b37 : alsothe anapaestic tetrameter, calledτὸ Ἀριστοφάνειον(as in Nu. 957 sq.), D.H. Comp. 25 ; cf.τρίμετρος.
2. γωνίαι τ.square, i.e.right, angles, Callix. 2 (dub. l.).