lighter1 /'lait9(r); 'laitw/ n [C] 1 device for lighting cigarettes or cigars. 行火機(jī)。 2 (chiefly in compounds) person or thing that lights: (主要用于復(fù)合字)點(diǎn)火的人或物 'lamp- ~, man who went round the streets with a ladder to light gas-lamps. . 點(diǎn)街燈者。