Main Entry: hob·by·horse

Pronunciation: \ˈhä-bē-ˌhȯrs\

Function: noun

Etymology: hobby small light horse, from Middle English hoby, hobyn, perhaps from Hobbin, nickname for Robert or Robin

Date: circa 1553

1 a : a figure of a horse fastened about the waist in the morris dance b : a dancer wearing this figure
2 obsolete : buffoon
3 a : a stick having an imitation horse's head at one end that a child pretends to ride b : rocking horse c : a toy horse suspended by springs from a frame
4 a : a topic to which one constantly reverts b : ²hobby