(UNDER-1 5 b.) Also attrib.

1

1683.  Moxon, Mech. Exerc., Printing, xxiv. ¶ 19. With the under-edge of the bottom of the Brayer.

2

1733.  Tull, Horse-hoeing Husb., xxiv. 394. Its Under-edge … will stand upon the prick’d Line e f.

3

1797.  Encycl. Brit. (ed. 3), XVII. 395/1. The under edge of the false keel.

4

1883.  Gresley, Gloss. Coal-m., 267. Underedge stone, the floor of an iron-stone mine.

5