A type of plant that grows in salty areas, especially near the sea.
Saltwort is a tough plant that can grow in hard places, like near the sea.
Examples:
The saltwort grows near the sea.
I saw some saltwort at the beach.
Saltwort is a green plant.
The saltwort is tougher than other plants.
The saltwort can even grow in the salty sea water!
The saltwort is a strong plant.