玉藻 is read as たまも (tamamo) and means seaweed.
たまも
tamamo
ぎょくさい
trying but being utterly beaten
ぎょくろ
high-quality green tea
ぎょくせいり
liquidation of speculative accounts
たまむすび
thread knot (end of the thread tied up to a knot)
たまがたべん
globe valve
たまおしこがね
dung beetle
ぎょくさいしゅぎ
the principle of honorable death and no surrender
たまじくうけ
ball bearings
ぎょくじ
sovereign's seal
ぎょくおんばん
recording disc (of the Imperial surrender message)
たまぶき
Parasenecio farfarifolius var. bulbifer (variety of Indian plantain)
いかなご
Japanese sand lance (Ammodytes personatus)