Answer: steamboat

AnswerCrossword Clue
STEAMBOAT

Robert E. Lee, e.g.

STEAMBOAT

Mississippi River vessel

STEAMBOAT

"Fulton's Folly"

STEAMBOATFulton's Folly.
STEAMBOAT
Predecessor of the Queen Mary.
STEAMBOAT
First Mickey Mouse picture, "... Willie."
STEAMBOATSide-wheeler.
STEAMBOATDaniel Webster's favorite mount.
STEAMBOATThe Robert E. Lee.
STEAMBOATFulton's folly
STEAMBOAT"Fulton's Folly," for one