Definition of parapodium
plural -dia \-dē-ə\
1 : either of a pair of fleshy lateral processes borne by most segments of a polychaete worm
2 : a lateral expansion on each side of the foot usually forming a broad swimming organ in some gastropods
Origin of parapodium
First Known Use: 1877
Learn More about parapodium
Britannica.com: Encyclopedia article about "parapodium"
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