Definition of pterobranchiate in English:
pterobranchiate
Pronunciation /ˌtɛrəˈbraŋkɪeɪt/ /ˌtɛrəˈbraŋkɪət/
Origin
Late 19th century; earliest use found in Ray Lankester (1847–1929), zoologist. From ptero- + -branchiate, after scientific Latin Pterobranchia.