||Par`a*po"di*um (?), n.; pl.
Parapodia (#). [NL., fr. Gr. para` beside
+ &?;, dim. of &?; foot.] (Zoöl.) One of the lateral
appendages of an annelid; -- called also foot
tubercle.
&fist; They may serve for locomotion, respiration, and sensation,
and often contain spines or setæ. When well developed, a dorsal
part, or notopodium, and a ventral part, or neuropodium,
are distinguished.