رعد

4 ارعد ذ He, or it, (a company of men, S, Msb,) was assailed, or affected, by thunder; (Lh, S, Msb, K;) as also ↓ رُعِدَ: and the former, he heard thunder. (TA.) ― -b2- See also 1, in seven places. -A2- ارعدهُ He, or it, (fear, [or cold, see رِعْدَةٌ,] &c., L,) caused him to tremble, quiver, quake, shiver, or be in a state of commotion. (S, * L.) ― -b2- See also 8, in two places. ― -b3- Also أُرْعِدَ (tropical:) It (a hill, or heap, of sand) poured down; or became [ shaken, and consequently ] poured down. (IAar, K, TA.)