Lewis Short
(adverb) : ūtrŏbīquĕ (ūtrŭbīquĕ), utrubi-que
* On both parts or sides, on the one side and the other (rare but class.): quia utrobique magnos inimicos habebam, Asin. ap. Cic. Fam. 10, 31, 2: utrobique autem conventicium accipiebant,Cic. Rep. 3, 35, 48: depopulatus Hypatensem primo, deinde Heracleensem agrum, inutili utrobique auxilio Aetolorum,Liv. 36, 16, 5: ut eodem tempore utrobique respublica prospere gereretur,id. 27, 40, 2: utrobique Eumenes plus valebat,with land and naval forces,Nep. Hann. 10, 3.—Trop.: sequitur ut eadem veritas utrobique sit eademque lex,i. e. with gods and with men,Cic. N. D. 2, 31, 79: assunt multa ejus rei exempla tam laesae hercle quam conservatae sanctissime utrobique opinionis,Quint. 1, 2, 4; 3, 7, 27; 4, 2, 91: qui timet his adversa, fere miratur eodem, Quo cupiens, pacto: pavor est utrobique molestus,Hor. Ep. 1, 6, 10.
Charlton T. Lewis, Charles Short, A Latin Dictionary