Fret, v. t. [OE. fretten to adorn, AS. frætwan, frætwian; akin to OS. fratahōn, cf. Goth. us-fratwjan to make wise, also AS. frætwe ornaments, OS. fratahī adornment.] To ornament with raised work; to variegate; to diversify.
Whose skirt with gold was fretted all about. Spenser.
Yon gray lines,
That fret the clouds, are messengers of day. Shak.