Definitions

1. noun

a subkingdom of multicellular eukaryotic organisms, including animals, that are motile and have sensory organs

“The evolutionary history of the metazoa dates back billions of years.”

2. noun

the multicellular animals or a group of multicellular animals, especially those that are animals in the broad sense

“The metazoa are incredibly diverse, ranging from simple sponges to complex vertebrates.”

3. noun

a kingdom of multicellular, eukaryotic, heterotrophic organisms, including animals, that are motile and have sensory organs

“The metazoa have a wide range of sensory organs, including eyes, ears, and a sense of touch.”