mĕdĭtullĭum — Lewis & Short
mĕdĭtullĭum, ii, n.medius and tollus, old form of tellus, q. v.,
in ipso meditullio scenae,App. M. 10, p. 254, 30:
medio luci meditullio,id. ib. 5, p. 159: indifferentia ... nec bona nec mala sed velut in meditullio posita, Sen. ap. Hier. adv. Jovin. 1, p. 191 (Fragm. 45 Haas); Hier. Gal. 5, 19 sqq.; Jul. Val. Rer. Gest. Alex. 1, 32:
virtutes in meditullio quodam virtutum sunt sitae,App. Dogm. Plat. 2, p. 15.