n. a luminance unit equal to 1 candle per square meter measured perpendicular to the rays from the source
n. egg or young of an insect parasitic on mammals especially a sucking louse; often attached to a hair or item of clothing
n. （虱等的）幼虫( nit的复数形式 ); 卵; <英口>糊涂虫; 傻瓜