Definition of Backstaff
Back´staff`
n.
1.
An
instrument
formerly
used
for
taking
the
altitude
of
the
heavenly
bodies
,
but
now
superseded
by
the
quadrant
and
sextant
; -
so
called
because
the
observer
turned
his
back
to
the
body
observed
.
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Backless
Backlog
backpack
backpacker
backpedal
Backpiece
Backrack
backrest
backroom
Backs
Backsaw
Backset
Backsettler
Backsheesh
Backside
Backsight
Backslide
Backslider
Backsliding
backspace
backstage
Backstairs
Backstay
Backster
Backstitch
Backstop
Backstress
backstroke
backswept
backswimmer
Backsword
backup
Backward
Backwardation
Backwardly
backwardness
backwash
Backwater
Backwoods
Backwoodsman
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