ladyfinger

noun3

1. •
   A low-density, dry, egg-based, sweet sponge cake biscuit roughly shaped like a large finger.

   • Ladyfingers soaked in liqueur are the base of tiramisu, but I suppose you could just cut up a sponge cake instead.
2. •
   A variety of small firecracker.

   • Grandpa would give each of the kids a strip of ladyfingers to light on New Year's Day.
3. •
   A type of small banana.