最終更新日：2024/07/28
A type of lever used to propel a boat, having a flat blade at one end and a handle at the other, and pivoted in a rowlock atop the gunwale, whereby a rower seated in the boat and pulling the handle can pass the blade through the water by repeated strokes against the water's resistance, thus moving the boat.
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oar
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oar
noun
A
type
of
lever
used
to
propel
a
boat,
having
a
flat
blade
at
one
end
and
a
handle
at
the
other,
and
pivoted
in
a
rowlock
atop
the
gunwale,
whereby
a
rower
seated
in
the
boat
and
pulling
the
handle
can
pass
the
blade
through
the
water
by
repeated
strokes
against
the
water's
resistance,
thus
moving
the
boat.
意味（1）
A
type
of
lever
used
to
propel
a
boat,
having
a
flat
blade
at
one
end
and
a
handle
at
the
other,
and
pivoted
in
a
rowlock
atop
the
gunwale,
whereby
a
rower
seated
in
the
boat
and
pulling
the
handle
can
pass
the
blade
through
the
water
by
repeated
strokes
against
the
water's
resistance,
thus
moving
the
boat.
