ˈlüˌkän noun
( -s )
Etymology: New Latin, from Greek leukon, neuter of leukos white — more at light
: a sponge or sponge larva having a complex structure in which the flagellated layer is restricted to numerous small interstitial chambers intercalated between the incurrent and excurrent canals and the paragaster is reduced or lacking — compare ascon , sycon
• leu·co·noid ˈlükəˌnȯid adjective or noun