Defn: A spongy, semivitrifled substance which miners or smelters mix with the ores of metals to prevent their fusion. [Written also slakin.]

SLACKLY
Slack"ly, adv.

Defn: In a slack manner. Trench.

SLACKNESS
Slack"ness, n.

Defn: The quality or state of being slack.

SLADE
Slade, n. Etym: [AS. sl.]

1. A little dell or valley; a flat piece of low, moist ground. [Obs.] Drayton.

2. The sole of a plow.

SLAG Slag, n. Etym: [Sw. slagg, or LG. slacke, whence G. schlacke; originally, perhaps, the splinters struck off from the metal by hammering. See Slay, v. t.]

1. The dross, or recrement, of a metal; also, vitrified cinders.