Διχοτομία φάλαγγος

[Meaning] that which [sc. is divided] into two equal sections. The parts of this are called 'wings', of which the left wing is also called 'rear', and the other, the right, wing [is] also [called] 'head' and 'right point' and 'right lead'. A bisection is [also] called aragos¹ and 'navel' and 'concentration'; 'barrier' by some, and 'orifice' by others.
Also [sc. attested is the related verb] I bisect; [used] with an accusative.²