1 concertina /ˌkɑːnsɚˈtiːnə/ noun plural concertinas
plural concertinas
Learner's definition of CONCERTINA
[count]
: a musical instrument that resembles a small accordion and that is played by pressing the ends together六角手风琴
2 concertina /ˌkɑːnsɚˈtiːnə/ verb
concertinas; concertinaed; concertinaing
2 concertina
/ˌkɑːnsɚˈtiːnə/
verb
concertinas; concertinaed; concertinaing
Learner's definition of CONCERTINA
[no object] British
: to fold or collapse together折叠