outline

card 1 of 10 · context meaning

Which meaning of 'outline' best matches the usage in the sentence?

He stood transfixed before the unaccustomed view of London at night time, a vast panorama which reminded him of some wood engravings far off and magical, in a printshop in his childhood. They dated from the previous century and were coarsely printed on tinted paper, with tinsel outlining the design.