Semiannular definitions

Semiannular

• (a.) Having the figure of a half circle; forming a semicircle.
Found on http://thinkexist.com/dictionary/meaning/semiannular/

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Semiannular

Sem`i·an'nu·lar adjective Having the figure of a half circle; forming a semicircle. Grew.
Found on http://www.encyclo.co.uk/webster/S/62

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