(definition) by Webster 1913 Wed Dec 22 1999 at 1:55:21

Per"i*treme (?), n. [Pref. peri- + Gr. a hole.] Zool. (a)

That part of the integument of an insect which surrounds the spiracles.

(b)

The edge of the aperture of a univalve shell.

 

© Webster 1913.

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