δῐχο-τομία,ἡ,
A. dividing in two,of the moon's quarters, Arist. GA 777b22 , Gem. 9.3 , Simp. in Ph. 455.22 ;bisection,Theo Sm. p.184H.
2. point of bisection,
Archim. Aequil. 1.6 , al.
b. point of divisionbetween wings of army, Ascl. Tact. 2.6 .
II. division into two parts(logically),dichotomy,
Arist. PA 644a9 , Iamb. Comm.Math. 1 .