ˌaktəˈnäpədə noun plural
Usage: capitalized
Etymology: New Latin, from actin- + -poda
1. in former classifications : an order of holothurians with tentacles arising from radial ambulacral vessels
2. : a subclass of Sarcodina comprising usually freely floating protozoans with highly specialized pseudopodia and including the orders Heliozoa and Radiolaria — compare axopodium
• ac·ti·no·po·di·an | ̷ ̷ ̷ ̷(ˌ)nōˈpōdēən noun -s