pontoon

• Nom désignant une structure flottante, telle qu'une embarcation à fond plat servant de quai ou de support pour un pont, ou un flotteur soutenant un hydravion.

A noun referring to a floating structure, such as a flat-bottomed boat used as a dock or to support a bridge, or a float that supports a seaplane.

1. Floating structureB2formal

   A flat-bottomed boat or floating platform used as a dock, bridge support, or temporary structure on water.

   Ponton

   • The army built a pontoon bridge to cross the river.
   • The marina has several pontoons for docking small boats.
   • They anchored the pontoon near the shore for the festival.

   Synonymesbargebuoydockfloat

2. Seaplane floatB2formal

   One of the floats attached to the underside of a seaplane to allow it to land and take off from water.

   Flotteur d'hydravion

   • The seaplane's pontoons kept it stable on the lake.
   • The pilot checked the pontoons before takeoff.
   • A damaged pontoon can cause the seaplane to tip over.

   Synonymesfloat