0 the seat behind the front seat of a car
1 a position of less importance:
Nelson will never take a back seat to anyone.
Things did not develop quite as planned, however, in that culture quite rapidly took a back seat to language.
Traditional impressionistic phonetic descriptions take a back seat to instrumental descriptions.
It must be pointed out that for the last several decades, documentation has taken a back seat to linguistic theory.
Over the years, both women have often taken a back seat to men in the characterisation, while always maintaining positive roles.
In this domain, however, although foraging algorithms continue to play a role, they often take a back seat to the influence of other predispositions.
In this context women almost inevitably took a back seat.
The psychosis of manic depression took a back seat with the discovery of antipsychotic medications and their effectiveness for schizophrenia.
There is less interest in representing human behaviour accurately, where words take more of a back seat.