dobbin in American English (ˈdɑbɪn) noun. a horse, esp. a quiet, plodding horse for farm work or family use.

Why are horses called Dobbin?

dobbin (n.) common name of a work-horse or farm horse, 1596 (in “Merchant of Venice”), probably from diminutive form of Dob (early 13c.), the common Middle English familiar form of the masc. proper name Robin or Robert; the personal name being applied to a horse.

What kind of horse was Dobbin?

A traditional name for a draft horse, farm horse, etc., esp. a plodding, patient one. An old jaded horse.