Found in the following dictionaries
Enable (Words with friends)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
"Testis" Definition
noun
An analogous gland in an invertebrate animal, such as a hydra or a mollusk.
Source: American Heritage Dictionary
The reproductive gland in a male vertebrate, the source of &*%$#atozoa and the androgens, normally occurring paired in an external scrotum in humans and certain other mammals.
Source: American Heritage Dictionary
A typically paired male reproductive gland that produces &*%$# and secretes and that in most mammals is contained within the scrotum at sexual maturity.
Source: Merriam-Webster