noun
seaweed used in salt-making; anthology
Historical term: originally a type of seaweed used in traditional salt production. Also used as a poetic name for an anthology, especially in classical contexts.
藻塩草は、昔、塩を作るのに使われた海藻の一種です。
Moshiogusa is a type of seaweed that was used in the past to make salt.
「藻塩草」という言葉は
The word 'moshiogusa' is also sometimes used as the name of a waka anthology.