a. Zool. ? Obs. [f. THO-US + -AN.] Of or pertaining to canine beasts of or akin to the subgenus Thous; in a restricted application including certain African jackals, but often extended as in THOOID.
1839. C. H. Smith, Dogs, I. iv. 193. The Thoan group represents in form the wolf on a reduced scale.
1843. Penny Cycl., XXIV. 240/2. A race of … dogs … in Arabia … of Thoan form.
