Concertina — definition

1. concertina (Noun)

2 definitions

concertina (Noun) — Coiled barbed wire used as an obstacle.

concertina (Noun) — Free-reed instrument played like an accordion by pushing its ends together to force air through the reeds.

3 types of
barbed wire barbwire free-reed instrument
1 type
Bandoneon

2. concertina (Verb)

1 definition

concertina (Verb) — Collapse like a concertina.

1 type of
collapse