ˌ ̷ ̷ ̷ ̷ˈ ̷ ̷stə̇kə noun plural
Usage: often capitalized
Etymology: New Latin, from tripl- + Greek blastika, plural of blastikos budding, from blast- + -ikos -ic
: animals having three germ layers — used when these are held to form a natural group comprising the worms and all higher forms