noun plural -la (-lə) or -lums
Word Origin for baculum
Examples from the Web for baculum
There is a knoblike process on the crest at a point three fourths the length of the baculum from its base.
The baculum does not, however, suddenly reach its maximum maturity.The Baculum in Microtine Rodents|Sydney Anderson
The total length of the baculum, considered together with its shape, serves to identify to species all specimens examined by me.Speciation and Evolution of the Pygmy Mice, Genus Baiomys|Robert L. Packard
I have studied the baculum in chipmunks and in all the major supraspecific groups of Nearctic squirrels.
The baculum in Glaucomys is the most distinctive of that of any American sciurid.