نبض

نَبْضَةٌ ذ [ A single pulsation ]. You say, رَأَيْتُ وَمْضَةَ بَرْقٍ كَنَبْضَةِ عِرْقٍ [ I saw a slight flash of lightning, like a single pulsation of an artery ]. (A, TA.)