Answer: pontoon

AnswerCrossword Clue
PONTOON

Float

PONTOON

Floating bridge support

PONTOON

Float that supports a bridge

PONTOON
Seaplane part
PONTOON
Float on an airplane
PONTOONMilitary portable boat.
PONTOONArmy engineer's construction.
PONTOONPart of a military bridge.
PONTOONPortable float.
PONTOONKind of bridge
PONTOONBridge type
PONTOONSeaplane float
PONTOONFlatbottom boat
PONTOONFlat-bottomed boat
PONTOONType of boat