The Collaborative International Dictionary
Freck
Freck \Freck\, v. t. [Cf. Freak, v. t., Freckle.] To checker; to diversify. [R. & Poet.]
The painted windows, frecking gloom with glow.
--Lowell.
Wiktionary
freck
vb. (context transitive rare poetic English) To checker; to diversify.
Usage examples of "freck".
My name is Monk Freck, and I used to be a keeper in the state lunatic asylum where Isaac Apgar was confined.
Delamont was to over-joyed to get her dog back that she gave Freck a substantial reward, for the former asylum keeper had been kind to Rex III, and insisted that he had found him after the dog had gotten away from the real thief.