v. [UNDER-1 10 a.] trans. To burn insufficiently. Also Underburnt ppl. a.
1841. Civil Eng. & Arch. Jrnl., IV. 341/2. The loss from over-burning, from under-burning and other accidents [to bricks].
1844. H. Stephens, Bk. Farm., I. 555. An under-burnt as well as an over-burnt tile is bad.
