وتر

5 توتّر ذ (tropical:) It (a sinew, or nerve, T, M, A, K, and a vein, M, TA, not the neck, for العُنُقُ in the K is a mistake for العِرْقُ, TA) became tense, (M, K, TA,) like a bow-string. (M, TA.)