puddle jumper
nounEtymology Sense 2 is a genericized trademark.
1
Idiomatic A small passenger airplane, typically used for shorter connecting trips to smaller airports.
- The flight across country was not bad, but the ride in the puddle jumper between Boston and Connecticut was a little rough.
2
A wearable personal flotation device similar to a life vest especially worn by infants or small children in swimming pools.