coupler
n. இணைப்பவர், இணைக்கும் பொருள், ஒன்றுக்கொன்று இணைந்தியக்கும் இசைப்பொறி அமைப்பு.
Coup"ler (kp"lr), n. Defn: One who couples; that which couples, as a link, ring, or shackle, to connect cars. Coupler of an organ, a contrivance by which any two or more of the ranks of keys, or keys and pedals, are connected so as to act together when the organ is played.