n.名詞連接器The technician used a coupler to connect the two pipes.
n.名詞鐵路車輛連接器The railroad car was attached using a coupler.
n.名詞耦合器 (電子)An electrical coupler is used to transfer signals between circuits.
n.名詞管接頭 (水管)The plumber used a coupler to join the two sections of pipe.
n.名詞聯軸器 (機械)The machine uses a coupler to transfer rotational force.