جَمَّاعٌ

and ↓ مِجْمَعٌ [are mentioned together, but not explained, in the TA: the former signifies, and probably, judging from analogy, the latter likewise, as also ↓ جَمُوعٌ, One who collects much; or who collects many things].

إِبِلٌ جَمَّاعَةٌ: see جَمِيعٌ