adv., prop. phr. [A prep.1 of state, in, on + GRIN.] On the grin; in a grinning attitude.
1847. Tennyson, Princess, v. 510. His visage all a-grin.
1849. C. Brontë, Shirley, I. iii. 47. His hard features were revealed all agrin and ashine with glee.
adv., prop. phr. [A prep.1 of state, in, on + GRIN.] On the grin; in a grinning attitude.
1847. Tennyson, Princess, v. 510. His visage all a-grin.
1849. C. Brontë, Shirley, I. iii. 47. His hard features were revealed all agrin and ashine with glee.
