calvesco, ĕre, v. inch. n. [calveo],
I to become bald (post-Aug.), Col. 6, 14, 7; Veg. 3, 4, 27; Plin. 10, 29, 41, § 78.—
II Transf. to plants, to grow up thin or far apart , Col. 4, 33, 3.