Definitions

1. adjective

Relating to the larval stage of crustaceans, especially those that live in a planktonic state.

“The zoologist studied the zoeal stage of the crab’s life cycle.”

2. noun

A zoea, especially one that is planktonic.

“The aquarium contained various zoeal specimens.”

3. noun

A larval stage of a crustacean, especially one that is free-swimming.

“The researchers observed the zoeal stages of the crabs in the wild.”