IPA: //kənˈsɜːrtɪnə//
KK: /kɒnˈsɜːrtɪnə/
A small musical instrument that looks like a hexagon and has bellows and buttons to play notes, similar to an accordion.
She played a beautiful melody on her concertina during the picnic.
Concertina → The word is derived from the Italian 'concertina', which is a diminutive form of 'concerto' (meaning concert or agreement). The suffix '-ina' indicates a smaller version. Thus, 'concertina' refers to a small concert or a small musical instrument that produces sound in harmony.
Think of a 'small concert' ('concertina') that produces harmonious sounds, helping you remember that a concertina is a small musical instrument.