[ as-tuh-roi-dee-uh ]
/ ˌæs təˈrɔɪ di ə /
the class comprising the starfishes.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for asteroidea
The formation of the permanent Ophiuroid takes place in much the same way as in the Asteroidea.The Works of Francis Maitland Balfour, Volume II (of 4)|Francis Maitland Balfour