វគ្គជំនាញកុំព្យូទ័រ
ចំណេះដឹងទូទៅ
ម្ហូបអាហារ
កំប្លែង
ទស្សន៍ទាយ
តូច
មធ្យម
ធំ
Nautilus
ENGLISH MEANING
noun
1.
The
only
existing
genus
of
tetrabranchiate
cephalopods
. About four
species
are
found
living
in the
tropical
Pacific
,
but
many
other
species
are
found
fossil
. The
shell
is
spiral
,
symmetrical
, and
chambered
, or
divided
into
several
cavities
by
simple
curved
partitions
,
which
are
traversed
and
connected
together
by a
continuous
and
nearly
central
tube
or
siphuncle
.
2.
The
argonaut
; --
also
called
paper
nautilus.
3.
A
variety
of
diving
bell
, the
lateral
as
well
as
vertical
motions
of
which
are
controlled
, by the
occupants
.