Crossword Clue:

An usher walks up and down it

Answer	Crossword Clue
AISLE	An usher walks up and down it
CAR	It goes back and forth on a street or up and down in an elevator shaft
OTIS	Inventor with an up-and-down career?

BOB	Go up and down, as an apple
YODELS	Goes up and down in an Alpine range?
SEESAW	It goes up and down
BAROMETER	It goes up and down
STOCKMARKET	It goes up and down
ROCKET	It goes up and down
YAXIS	It goes up and down
TEMPERATURE	It goes up and down

ARC	It goes up and then down
ADAMSAPPLE	It goes up and down at dinner
SWEAR	You might do it up and down
MUZAK	You might hear it going up and down
STAIR	It takes you up and down but never moves
AXE	It can chop a tree down ... and then chop a tree up