元となった辞書の項目
triangle spider
noun
A
small
American
spider
(Hyptiotes
cavatus)
that
lives
among
the
dead
branches
of
evergreen
trees.
It
constructs
a
triangular
web,
or
net,
usually
composed
of
four
radii
crossed
by
a
double
elastic
fiber.
The
spider
holds
the
thread
at
the
apex
of
the
web
and
stretches
it
tight,
but
lets
go
and
springs
the
net
when
an
insect
comes
in
contact
with
it.
意味（1）
A
small
American
spider
(Hyptiotes
cavatus)
that
lives
among
the
dead
branches
of
evergreen
trees.
It
constructs
a
triangular
web,
or
net,
usually
composed
of
four
radii
crossed
by
a
double
elastic
fiber.
The
spider
holds
the
thread
at
the
apex
of
the
web
and
stretches
it
tight,
but
lets
go
and
springs
the
net
when
an
insect
comes
in
contact
with
it.
