Pronunciation: [tˈɜːnpɪn] (IPA) 
The word "turnpin" refers to a type of peg or pin that is used to secure ropes or cables in place. In terms of its spelling, the first syllable of the word is pronounced like the word "turn" (tɜrn), while the second syllable is pronounced like the word "pin" (pɪn). The stress in the word falls on the first syllable. It is important to note that this word is not commonly used in modern English, and it may be unfamiliar to some speakers.
A turnpin is a noun referring to a cylindrical peg or pin used for various purposes, primarily for holding or securing objects in place. Typically made of wood, metal, or plastic, it is characterized by its cylindrical shape, usually tapering towards one end and exhibiting a small protrusion or knob at the opposite end. The purpose of a turnpin is to fit into corresponding holes or openings to establish a secure connection or attachment between different components.
The term "turnpin" finds application in various contexts. In carpentry or woodworking, turnpins are often used to fasten joints, such as in frames or furniture construction, providing stability and strength. Additionally, they are utilized in the assembly of musical instruments, allowing for the secure insertion and attachment of different components, such as the tuning pegs of string instruments like guitars or violins.
Turnpins are also employed in certain sports, particularly in bowling. In this context, a turnpin refers to one of the nine cylindrical wooden or plastic objects set up in triangular form at the end of a bowling lane, the objective being to knock all the pins down with a bowling ball.
Overall, a turnpin serves as a versatile tool, ensuring stability, connection, and alignment across different domains, from woodworking to sports activities.
The word "turnpin" comes from Middle English "turnepin", which was derived from the combination of the words "turnen" meaning "to turn" and "pin" referring to a small peg or wooden pin. The term initially referred to a wooden or metal pin used for turning or fastening various things, such as a key or bolt. Over time, the word evolved to specifically refer to a pin or peg used in carpentry or woodworking to secure or hold something in place while it is being worked on.
