D defs.my
Entry 4 senses · 2 variants Webster, 1913

Hobby

/häb'-ē/ · Hob·by · IPA /ˈhɑ.bi/
01 n. A small, strong-winged European falcon (Falco subbuteo), formerly trained for hawking.
pl. Hobbies ((#))
  1. 1.
    A small, strong-winged European falcon (Falco subbuteo), formerly trained for hawking.(Zool.)
02 n. A strong, active horse, of a middle size, said to have been originally from Ireland; an ambling nag.
  1. 1.
    A strong, active horse, of a middle size, said to have been originally from Ireland; an ambling nag.
  2. 2.
    A stick, often with the head or figure of a horse, on which boys make believe to ride.
  3. 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.” Macaulay.