灯头 [- tóu]①(接在电灯线末端、供安装灯泡用的装置) lamp holder; electric light socket; lamp base; lamp cap; lamp adapter ②(电灯的盏数) number of lamps ③(煤油灯上装灯芯、安灯罩的部分) a holder for the wick and chimney of a kerosene lamp 灯头插脚bayonet peg灯头触点cap contact灯头开关lamp holder switch灯头缩节reducing lamp holder