A strong, active horse, of a middle size, said to have been originally from Ireland; an ambling nag.

A stick, often with the head or figure of a horse, on which boys make believe to ride.

Person wearing a horse costume, usually either a horse's head on a pole under a skirt to hide the operator or a horse's head atop a cloth-draped hoop worn around the waist. Often passes brochures and the hat among the audience; sometimes dances with or instead of the fool. Variants that have been noted include hobbycows, hobbydeer, hobbyunicorns, hobbyalligators, and hobbydinosaurs. Generically these beasts are called hobbies.

A subject or plan upon which one is constantly setting off; a favorite and ever-recurring theme of discourse, thought, or effort; that which occupies one's attention unduly, or to the weariness of others; a ruling passion.

a topic to which one constantly reverts; "don't get him started on his hobbyhorse"