Pl. zyga. [mod.L., ad. Gr. ζυγόν yoke.]
1. Anat. The bar or stem connecting the two branches of an H-shaped fissure (zygal fissure) of the brain.
1886. R. G. Wilder, in Jrnl. Nerv. & Mental Dis., June, 310. If … the zygon is the principal, central, and primary constituent of a fissural integer, the paroccipital.
2. Gr. Antiq. A cross-bench or thwart for rowers.
1888. Woodgate, Boating (Badm. Libr.), i. 17. When … vessels were expressly built as triremes, we may imagine … the benches or zyga would be a little raised.
