citrō adv. dat. of citer, to this side

— only in the phrase ultro citroque, ultro et citro, or, ultro citro, hither and thither, this way and that, here and there, to and fro, backwards and forwards, reciprocally: ultro citro commeantibus: ultro citroque mitti, Cs.: datā ultro citroque fide, L.: inplicati ultro et citro officiis.