linchpin Meaning and Definition
دھرے کی وہ عمودی کیل جو پہیے کو باہر نکلنے نہیں دیتی
dohray ki woh amoodi keel jo pahiye ko bahar nikalnay nahi deti
A linchpin, also spelled linch pin, lynchpin, or lynch pin, is a fastener used to prevent a wheel or other part from sliding off the axle upon which it is riding.
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