This is the verse translation, not a definition of the individual word.
Allah is not ashamed to give a similitude of a mosquito or even something less [significant][1]. As for those who believe, they know that this is the truth from their Lord; but those who disbelieve say, “What does Allah mean by this similitude?” He causes many to go astray thereby and guides many thereby, but He causes none to go astray except the evildoers –