the world > matter > properties of materials > temperature > heat > heating or making hot > subjection or exposure to heat or fire > subject or expose to heat or fire [verb (transitive)] > damage or injure by heat or fire > slightly or superficially (4)
Of fire or flame: To burn (something) slightly or superficially. Also technical (cf. 1c).
transitive. To burn slightly; to scorch, to singe.
transitive. To singe, scorch.