advb. phr. arch. Forms: 4 a-twayn, 45 a-twene, atweyn(e, 7 atwaine, 6 atwain. [f. A prep.1 + TWAIN. Cf. A-TWO.]
1. In or into two parts; in two.
1377. Langl., P. Pl., B. VII. 116. And pieres for pure tene pulled it atweyne.
c. 1485. Digby Myst. (1882), I. 540. A sharpe Sward of Sorowe shall cleve hir hert atweyn.
1634. A. Huish. Now earths black mantles cut atwaine.
1870. Morris, Earthly Par., II. III. 344. Upon a stone the ring smote, and atwain It broke.
2. Away from each other, asunder. Cf. ATWIN.
1870. Morris, Earthly Par., II. III. 74. This bitter morn That joy and me atwain hath torn.