v. [f. L. lign-um wood + -(I)FY.] a. trans. To convert into wood; to make ligneous. Chiefly in pa. pple. and ppl. a. Lignified. b. intr. To become wood.
1828. in Webster [trans. and intr.]
1830. Lindley, Nat. Syst. Bot., 133. Lignified vessels.
1875. Bennett & Dyer, trans. Sachs’ Bot., 33. The corky and lignified scales of the cell-wall.
1883. Sophie Herrick, Wonders of Plant Life, i. 6. As internal cells grow older the protoplasm disappears, the cellulose lignifies, and a mere framework of woody cells is left.
1884. Blackmore, Tommy Upm., I. xvii. 265. Jack Windsor (who had no more taste in his head than a lignified turnip).
