[ABOUT + SLEDGE.] The largest hammer used by smiths.
1703. Moxon, Mech. Exer., 4. The About Sledge is the biggest Hammer of all, and … they hold the farther end of the Handle in both their Hands, and swinging the Sledge above their Heads, they … let fall as heavy a Blow as they can upon the Work.
1849. Weale, Dict. Terms.
