Definition of pteropod
: any of the opisthobranch mollusks comprising two orders (Thecosomata and Gymnosomata) and having the anterior lobes of the foot expanded into broad thin winglike swimming organs
Origin of pteropod
New Latin Pteropoda, group name, from Greek pteron wing + New Latin -poda
First Known Use: 1835
Learn More about pteropod
Britannica.com: Encyclopedia article about "pteropod"
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