IPA: /ˈkɔːrdeɪt/
KK: /ˈkɔrdət/
A type of animal that belongs to a specific group known for having a backbone or spinal column at some point in their life cycle. This group includes all vertebrates and some other marine animals.
Fish, birds, and mammals are all examples of chordates.
Chordate → It is formed from "chorda" (from Latin, meaning string or cord) and the suffix "-ate" (indicating a group or having the nature of). The term "chordate" refers to animals that possess a notochord, which is a flexible rod-like structure, akin to a string, during some stage of their development.
Think of 'chorda' meaning 'string' — this helps you remember that 'chordate' refers to animals with a string-like structure in their development.