Word Study
testicle
CIDE DICTIONARY
testicle, n. [L. testiculus, dim. of testis a testicle, probably the same word as testis a witness, as being a witness to manhood. Cf. Test a witness.].
One of the essential male genital glands which secrete the semen. [1913 Webster]
OXFORD DICTIONARY
testicle, n. a male organ that produces spermatozoa etc., esp. one of a pair enclosed in the scrotum behind the penis of a man and most mammals.
Derivative
testicular adj.
Etymology
ME f. L testiculus dimin. of testis witness (of virility)
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