هجم1 هَجَمُ عَلَيْهِ He came upon him suddenly, or at unawares, (Mgh, Msb, K,) or came in to him without permission, (K,) or without asking permission: (Mgh:) he invaded, assaulted, assailed, attacked, attempted, or ventured upon, him or it: he pounced upon him or it.هَجْمَةٌ, or, accord. to Kz, هَزِيعٌ, The third of the five divisions of the night. (TA.) See خُدْرَةٌ, and يَعْفُورٌ. b2: As applied to camels, see عَائِضٌ and زِياَدَةٌ.