Select the most appropriate meaning of the given Idiom:-

Play second fiddle 

Take an unimportant part

The most appropriate meaning of the idiom "play second fiddle" is to take an unimportant part. The idiom comes from the fact that in an orchestra, the second violinist plays a supporting role to the first violinist. In this sense, to play second fiddle means to take a secondary or subordinate role to someone else.

The other options are not as accurate descriptions of the meaning of the idiom. Securing of second place in a competition is not the same as playing second fiddle. To do things in the wrong order is not typically associated with the idiom "play second fiddle." Take revenge is not typically associated with the idiom "play second fiddle."