vagga : [m.] a group; a party; chapter of a book. (adj.), dissociated; dissentious.

A.P. Buddhadatta Mahathera, Concise Pali-English and English-Pali Dictionary [available as digital version from Metta Net, Sri Lanka]

Vagga1 [Vedic varga, fr. vṛj; cp. Lat. volgus & vulgus (=E. vulgar) crowd, people] 1. a company, section, group, party Vin i.58 (du˚, ti˚), 195 (dasa˚ a chapter of 10 bhikkhus). -- 2. a section or chapter of a canonical book DhA i.158 (eka -- vagga -- dvi -- vagga -- mattam pi); DhsA 27.
   -- uposatha celebration (of the uposatha) in groups, "incomplete congregation" (trsln Oldenberg) Dpvs 7, 36. More likely to vagga2! -- gata following a (sectarian) party (Bdhgh identifies this with the 62 diṭṭhigatikā SnA 365) S i.187; Sn 371. -- bandha, in instr. ˚ena group by group Mhvs 32, 11. -- bandhana banded together, forming groups DhA iv.93, 94. -- vagga in crowds, confused, heaped up J vi.224; PvA 54. -- vādaka taking somebody's part Vin iii.175. -- sārin conforming to a (heretic) party Sn 371, 800, 912; Nd1 108, 329.

Pali-English Dictionary, TW Rhys Davids, William Stede,

Vagga2 (adj. -- nt.) [vi+agga, Sk. vyagra; opposed to samagga] dissociated, separated; incomplete; at difference, dissentious Vin i.111 sq., 129, 160; iv.53 (sangha); A i.70 (parisā); ii.240. -- instr. vaggena separately, secessionally, sectariously Vin i.161; iv.37, 126.
   -- ārāma fond of dissociation or causing separation M i.286; It 11 (+adhamma -- ṭṭha; trsln Seidenstücker not quite to the point: rejoicing in parties, i. e. vagga1) =Vin ii.205. -- kamma (ecclesiastical) act of an incomplete chapter of bhikkhus Vin i.315 sq. (opp. sam<-> agga -- kamma). -- rata=˚ārāma.

Pali-English Dictionary, TW Rhys Davids, William Stede,