linchpin
n. கடையாணி, சக்கரக் காப்பாணி.
Linch"pin`, n. Etym: [AS. lynis the axletree; akin to D. luns linchpin, OS. lunisa, LG. lunse, G. lünse, OHG. lun peg, bolt.] Defn: A pin used to prevent the wheel of a vehicle from sliding off the axletree.
n. கடையாணி, சக்கரக் காப்பாணி.
Linch"pin`, n. Etym: [AS. lynis the axletree; akin to D. luns linchpin, OS. lunisa, LG. lunse, G. lünse, OHG. lun peg, bolt.] Defn: A pin used to prevent the wheel of a vehicle from sliding off the axletree.