adjective Botany.

shaped like a testis.
having tubers shaped like testes, as certain orchids.

Origin of testiculate

From the Late Latin word testiculātus, dating back to 1715–25. See testicle, -ate1
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British Dictionary definitions for testiculate



botany shaped like testiclesthe testiculate tubers of certain orchids

Word Origin for testiculate

C18: from Late Latin testiculātus; see testicle
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012