·noun ·Alt. of Hobbyhorse.
II. Hobby ·noun A small, strong-winged European falcon (Falco subbuteo), formerly trained for hawking.
Sir Posthumous's hobby; one nice or whimsical in his clothes. ...
Dictionary of The Vulgar Tongue by Francis Grose
A man's favourite amusement, or study, is called his hobby horse. It also means a particular kind of...
A man who is a great keeper or rider of hobby horses; one that is apt to be strongly attached to his...