pontoneer noun. 
[pɒntǝ'nɪǝ] Also 
pontonier. 
M19.[Old & mod. French pontonnier from medieval Latin pontonarius ferryman, from Latin ponto(n-) PONTOON noun1: see -EER.]Chiefly 
Military. A person concerned with pontoons or the construction of a pontoon-bridge. 
 [TahlilGaran] English Dictionary ▲