غُثَاءٌ
1.
(S, Msb, K) and غُثَّاءٌ (S, K) The rubbish, or small rubbish, or particles of things, or refuse, and scum, and rotten leaves mixed with the scum, (Zj, S, * Msb, * K, TA,) borne upon the surface (S, Msb, TA) of a torrent: (Zj, S, Msb, K, TA:) or dried-up [or decayed] and broken pieces [or leaves and stalks] of herbage, that are seen upon a torrent: so in the Qur'an, 87:5: [see أَحْوَى in article حو:] (TA:) plural أَغْثَاءٌ. (S, TA.)
2.
[Hence,] one says, مَالُهُ غُثَاءٌ وَعَمَلُهُ هَبَاءٌ وَسَعْيُهُ خَفَاءٌ (assumed tropical:) [His property is as rubbish borne by a torrent (see Qur'an, 23:43), and his work is as motes that are seen in the rays of the sun (see Qur'an, 25:25), and his labour, or earning, is a thing that is unapparent]. (TA.)
3.
[Hence, also,] غُثَاءُ النَّاسِ (assumed tropical:) The low, or vile, and the refuse, of mankind. (TA.)