a.
1. [SUB- 11, 20 d.] Nearly or not quite central; near or close to the center.
1822. J. Parkinson, Outl. Oryctol., 124. The mouth beneath, subcentral.
1836. Penny Cycl., V. 313/2. Fissure of adhesion in the lower valve subcentral.
1870. Hooker, Stud. Flora, 461. Asplenium Trichomanes midrib subcentral.
2. [SUB- 1 a.] Being under the center.
182832. in Webster.
3. [SUB- 1 b.] Anat. Beneath the central sulcus of the brain; beneath the centrum of a vertebra.
1882. Quains Elem. Anat. (ed. 9), I. 23. The precentral or subcentral parts or hypapophyses.
1890. Billings, Nat. Med. Dict., Subcentral arch, hæmal arch.
1901. Amer. Anthropologist (N.S.), III. 461. The subcentral sulci of Eberstaller.
Hence Subcentrally adv., under or near the center or centrum. Also Subcentrical a. = 1 above.
1824. Du Bois, Lamarcks Arrangem., 302. The interior [of the Orthocera] is divided into many cells, transversely separated by septa, which are traversed by a subcentrical syphon.
1870. Rolleston, Anim. Life, 12. Several of the anterior vertebræ, have low hypapophysial ridges developed subcentrally.
1872. H. A. Nicholson, Palæont., 173. A pair of large compound eyes placed marginally or subcentrally.