The concertinaed paper was easy to store.
Describing something that has been folded or compressed in a way similar to a concertina.
She concertinaed the fabric before packing it.
The past tense of concertina, meaning to fold or compress something in a concertina manner.
N'igitabo c'amasanamu y'ubuntu gifise ubushobozi bwinshi hamwe na karata z'inyigisho.