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baculum

noun plural -la (-lə) or -lums
  1. a bony support in the penis of certain mammals, esp the carnivores
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Word Origin for baculum

C20: New Latin, from Latin: stick, staff
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

Examples from the Web for baculum

Historical Examples of baculum

  • The baculum in Glaucomys is the most distinctive of that of any American sciurid.

    Genera and Subgenera of Chipmunks

    John A. White

  • The base of the baculum is broad but not so broad as in most species of Spermophilus.

  • It should be noted that not all species can be keyed out on the basis of the baculum.

  • The baculum does not, however, suddenly reach its maximum maturity.

  • The baculum in Microtus ochrogaster—orientation and variation with age.