[f. AGE v. + -ING1.] a. Becoming old. b. Giving the appearance of age to.
1879. G. Gladstone, in Cassells Techn. Educ., I. 198. The hot flue leads into the ageing-room, where the cloth remains suspended.
1881. M. Pattison, in Academy, 12 Feb., 109/3. The unfortunate effect upon us of ageing.
1882. Daily News, 3 Jan., 2/3. A New Way to Make Old Bronzes . This ageing process is, to say the least, rather Gothic than Egyptian.