span·gle 
(spănggəl)
(spănggəl)n.
1. A small, often circular piece of sparkling metal or plastic sewn especially on garments for decoration.
2. A small sparkling object, drop, or spot: spangles of sunlight.
v. span·gled, span·gling, span·gles
v.tr.
To adorn or cause to sparkle by covering with or as if with spangles: Lights spangled the night skyline.
v.intr.
To sparkle in the manner of spangles.
[Middle English spangel, diminutive of spange, from Middle Dutch, clasp; see (s)pen- in the Appendix of Indo-European roots.]
spangly adj.