Webster’s Revised Unabridged Dictionary · 1913
Spang
Spang (spăng), v. t. To spangle. [Obs.]
Spang, v. i. To spring; to bound; to leap. [Scot.]
But when they spang o'er reason's fence, We smart for't at our own expense. Ramsay.
Spang, n. A bound or spring. [Scot.] Sir W. Scott.
Spang, n. [AS. spange a clasp or fastening; akin to D. spang, G. spange, OHG. spanga, Icel. spöng a spangle.] A spangle or shining ornament. [Obs.]
With glittering spangs that did like stars appear. Spenser.