ex-tūbĕro, āvi, ātum, 1, v. n. and a. [tuber] (post-Aug.).
I Neutr. , to swell out or up , to rise as a swelling : radice foliosa, ex qua media veluti malum extuberat, Plin. 21, 16, 56, § 96: gemma, id. 37, 8, 33, § 110.—
II Act. , to cause to swell up , to raise : defert montes, surrigit plana, valles extuberat, Sen. Q. N. 6, 4, 1: extuberatus venter, swollen , Amm. 12, 15, 23; 25, 10, 13; cf. Sol. 27 med.