balancelle

noun2

1. •
   A garden seat in the form of a swing.
2. •
   A small boat, typically with a single lateen sail, used in the Mediterranean.

   • ... (balancelle, felucca, or aviso in service at Elba in 1806 and commissioned on 1.1.1807, 26-53 men, carried 1 x 10pdr, 2 x 3pdr, 2 swivels). Put at the disposition of Napoleon at Elba […] — 2015