Hobby /(?)/

pl. Hobbies

1. A small, strong-winged European falcon (Falco subbuteo), formerly trained for hawking. (Zool.)

1. A strong, active horse, of a middle size, said to have been originally from Ireland; an ambling nag.
2. A stick, often with the head or figure of a horse, on which boys make believe to ride.
3. 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.

   Not one of them has any hobbyhorse, to use the phrase of Sterne.