chondrus

noun
chon·​drus | \ ˈkän-drəs How to pronounce chondrus (audio) \

Medical Definition of chondrus

1 capitalized : a small genus of red algae (family Gigartinaceae) having rather coarse branching fronds
2 plural chondri\ -​ˌdrī How to pronounce chondri (audio)\ : irish moss sense 1