يَحْمُومٌ
1.
See أَحَمُّ.
2.
Also Smoke: (S, M, K:) or black smoke: (Bd in lvi. 42:) or intensely black smoke. (Jel ibid. and TA.)
3.
A black mountain: (K:) or a certain black mountain in Hell. (TA.)
4.
The canopy, or awning, that is extended over the people of Hell: so, as some say, in the Qur'an, 56:42. (TA.)
5.
A certain bird: (K:) so called because of the blackness of its wings. (TA.)
6.
نَبْتٌ يَحْمُومٌ
A plant, or herbage, green, full of moisture, and black. (TA.)