henna /'kens; 'kens/ n [U] (plant, kind of Egyptian privet, producing) reddish-brown dye stuff for colouring leather, the finger-nails, the hair, etc. 指甲花(埃及產(chǎn)的一種水蠟樹(shù)類植物); 指甲花所產(chǎn)的一種紅褐色的染料(可染皮革，指甲，頭發(fā)等) ohen.naed /'he-nad; 'kensd/ adj dyed with ~. 以指甲花染料染過(guò)的。