n. pl. ae·ci·a (-sē-ə, -shē-ə) A cuplike structure of some rust fungi that contains chains of aeciospores. [New Latin, from Greek aikiā, injury, from aikēs, unseemly, injurious : a-, not; see A-1 + eikenai, to seem, be seemly.] aeci·al (ēsē-əl, -shē-) adj. |
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