Answer:

ATOP

Answer	Crossword Clue
ATOP	At the high point of
ATOP	At the peak of
ATOP	At the summit

ATOP	At the summit of
ATOP	On
ATOP	On the crest
ATOP	Perched upon
ATOP	Positioned on high
ATOP	Resting on
ATOP	Spin like ..
ATOP	Upon

ATOP	Looking down on?
ATOP	On the summit
ATOP	Over
ATOP	Spin like ...
ATOP	Above
ATOP	In peak position?
ATOP	On high
ATOP	Riding on

ATOP	Perched on
ATOP	Surmounting
ATOP	At the crest
ATOP	Mounted on
ATOP	Sitting on
ATOP	Capping
ATOP	Using as a perch
ATOP	Straddling

ATOP	Supported by
ATOP	Perched above
ATOP	On the peak of
ATOP	"... an Underwood" (Kerouac anthology)
ATOP	At the head of
ATOP	On the roof of
ATOP	"... an Underwood" (Kerouac collection)
ATOP	Riding

ATOP	Covering
ATOP	Lying on
ATOP	Crowning
ATOP	At the acme of
ATOP	Looking down from, probably