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baculum

/ ˈbækjʊləm /

noun

  1. a bony support in the penis of certain mammals, esp the carnivores
“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


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Word History and Origins

Origin of baculum1

C20: New Latin, from Latin: stick, staff
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Example Sentences

The type of baculum in Spermophilus is spoonshaped with a ventral process that is spinelike or keellike.

In Marmota the baculum is greatly enlarged at the posterior end and forms a shieldlike surface.

There is a knoblike process on the crest at a point three fourths the length of the baculum from its base.

The distal one third of the baculum curves sharply but smoothly upwards (see fig. 9).

In having a keel on the ventral surface of the tip, the baculum of Tamias is comparable to that of Spermophilus.

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