Tractory
Pronunciation : Tract"o*ry
Part of Speech : n.
Etymology : [L. tractorius of drawing, fr. trahere, tractum, to draw.] (Geom.)
Definition : Defn: A tractrix.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder