Merriam-Webster's Collegiate® Dictionary, 11th Edition
SINGE
I. transitive verb (singed; singeing)
Etymology: Middle English sengen, from Old English sæncgan, sengan; akin to Old High German bisengan to singe, Old Church Slavic isęknǫti to dry up Date: before 12th century to burn superficially or lightly ; scorch ,
II. noun
Date: 1658
a slight burn ; scorch