peg
n. countable B2 Upper Intermediate US //ˈpɛɡ// UK //pˈɛɡ// peg
n. a small piece of wood, plastic, or metal used to hold things in place or hang them up. You might use one to keep your clothes on a line or to mark a spot on a board.
n. a small cylindrical or tapered pin used to fasten, support, or mark a position. Often used in mechanical or domestic contexts to secure objects in a fixed location.
She used a wooden peg to hang the wet towel on the line.
The carpenter hammered a small peg into the joint to ensure the chair leg remained stable.
In the absence of modern fasteners, the ancient timber frame was held together entirely by hand-carved oak pegs that tightened as the wood seasoned over time.
Shortening.
Usage
Commonly used in the idiom 'to take someone down a peg', meaning to lower their pride.