verb

mend (a hole in knitted material) by interweaving yarn with a needle.

I don’t expect you to darn my socks

mend,repair,reinforce,sew up,stitch,cobble,botch,patch,vamp,clout

noun

a place in a garment that has been darned.

a sweater with darns in the elbows

patch,repair,reinforcement,stitch,mend