troikaPronunciation: /ˈtrɔɪkə/Definition of troika noun 1a Russian vehicle pulled by a team of three horses abreast. a team of three horses for a troika. 2a group of three people working together, especially in an administrative or managerial capacity. Origin:Russian, from troe 'set of three'troika in other Oxford dictionaries Definition of troika in the US English dictionary