IPA: /ˌmʌltiˈtʃeɪmərd/
KK: /mʌltiˈtʃeɪmərd/
Having more than one separate space or section within a structure.
The heart of some animals is multichambered, allowing for more efficient blood circulation.
Multichambered → It is formed from "multi-" (meaning many) and "chamber" (from Old French *chambre*, meaning room or enclosed space) and the suffix "-ed" (indicating a state or condition). The word "multichambered" describes something that has many rooms or compartments.
Think of 'many' ('multi-') rooms or spaces ('chamber') to remember that 'multichambered' means having multiple compartments.