A very thin line in writing, drawing, or typography.
A fishing line made from hair.
The line along one's forehead where hair starts growing.
A very thin fissure.
very thin, as thin as a hair
An object that is long and thin, like a shoestring (sense 1).
Chiefly in on a shoestring: very little money; a tight budget.
A long, narrow cut of a food; a julienne.
The string or lace used to secure a shoe to the foot; a shoelace.
To tackle (a player) using a shoestring tackle (“one made near the ground, close to a player's shoes”).
To catch (a ball) using a shoestring catch (“one made near the ground, close to a player's shoes”).
Of a catch or tackle: made near the ground, close to a player's shoes.