Answer:

tooter

Answer	Crossword Clue
TOOTER	Taxi driver, often
TOOTER	Flautist
TOOTER	Horn blower

TOOTER	Whistle-blower
TOOTER	Whistle blower
TOOTER	Horn
TOOTER	Bugler.
TOOTER	Horn blower.
TOOTER	Horn-blower.
TOOTER	Young man with a horn.
TOOTER	Horn.

TOOTER	Impatient motorist
TOOTER	Flutist
TOOTER	Bugler, for one
TOOTER	New Year's Eve celebrant
TOOTER	Impatient driver, often
TOOTER	Many a train engineer
TOOTER	Many a cabbie
TOOTER	Many a Manhattan cabbie

TOOTER	Horn player, essentially
TOOTER	Factory whistle, at noon
TOOTER	Horn player

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.