freckle

Concise Oxford English Dictionary © 2008 Oxford University Press:
freckle/ˈfrekl/

▶noun a small light brown spot on the skin, often becoming more pronounced through exposure to the sun. ▶verb cover or become covered with freckles.

– derivatives
freckly adjective (frecklier, freckliest).

– origin ME: alt. of dial. frecken, from ON freknur (pl.).