twin >> twɪn
Definition: [noun] one of two children or animals born at the same birth.
Example: experiments were carried out using sets of identical twins
Definition: [noun] something containing or consisting of two matching or corresponding parts.
Definition: [adjective] forming, or being one of, a pair born at one birth.
Example: she gave birth to twin boys
Definition: [verb] link (a town or district) with another in a different country or cause (two towns or districts) to be linked, for the purposes of friendship and cultural exchange.
Example: the Russian city of Kostroma is twinned with Durham