ارعد

1.
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.)
2.
See also 1, in seven places.
3.
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.)
4.
See also 8, in two places.
5.
Also أُرْعِدَ (tropical:) It (a hill, or heap, of sand) poured down; or became [shaken, and consequently] poured down. (IAar, K, TA.)

Perseus ID: n15875