Definitions

1. noun

a thin strip of material, especially cotton or nylon, used to lace a shoe or boot

“The hiker used a shoelace and a shoestring to repair his boot.”

2. noun

a narrow margin of profit or a small amount of something

“The company was operating on a shoestring budget, barely scraping by each month.”

3. verb

to make a shoestring repair to something

“I had to shoestring the broken zipper together with some twine.”