Of, pertaining to, or having well-shaped or finely developed buttocks.
From the Greek 'beauty' + 'buttocks', also the name of a famous statue of Venus
1648 Sir T. Browne Pseud. Ep. Calliphygae nd women largely composed behinde.
1800 The Calliphygian Venus
1885 Athenaeum The Calliphygian luxuriance he so deplores
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