tacnode
Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
tacnode
(ˈtækˌnəʊd)n
(Mathematics) another name for osculation1
[C19: from Latin tactus touch (from tangere to touch) + node]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014