preequatorial
adjEtymology From pre- + equatorial.
1
In front of an imaginary line or plane that divides the front and back of the body.
- By teasing with a fine needle the surfaces of the ciliary valleys, the lateral borders of the ciliary processes, the anterior portion of the orbiculus ciliaris and the preequatorial and retroequatorial regions of the lens, one could pick up the severed zonular bundles and remnants […]1942, American Medical Association. Section on Ophthalmology, Transactions, volume 93, page 248:
- The oral sucker is subterminal and the acetabulum is preequatorial.2012, Janet F. Baer, Richard E. Weller, Ibulaimu Kakoma, Aotus: The Owl Monkey, page 358: