py·gid·i·um 
(pī-jĭdē-əm)
(pī-jĭdē-əm)n. pl. py·gid·i·a (-ē-ə)
The posterior body region or segment of certain invertebrates.
[New Latin, from Greek pugidion, diminutive of pugē, buttocks.]
py·gidi·al (-ē-əl) adj.
| 单词 | pygidium |
| 释义 | py·gid·i·um (pī-jĭdē-əm)n. pl. py·gid·i·a (-ē-ə) The posterior body region or segment of certain invertebrates. [New Latin, from Greek pugidion, diminutive of pugē, buttocks.] py·gidi·al (-ē-əl) adj. |
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