pushboat n stresses
nautic.	буксир (a towboat or pushboat has a square bow MichaelBurov); буксирное судно (a towboat or pushboat has a square bow MichaelBurov); буксир-толкач (a towboat or pushboat has a square bow MichaelBurov)
pushboat adj.
nautic.	толкач (a towboat or pushboat has a square bow MichaelBurov)