Word Study
man-on-a-horse
WORDNET DICTIONARY
Noun man-on-a-horse has 1 sense
- man-on-a-horse(n = noun.plant) tricholoma flavovirens - an edible agaric with yellow gills and a viscid yellow cap that has a brownish center; Array is a kind of agaric
is a member of genus tricholoma, tricholoma
For further exploring for "man-on-a-horse" in Webster Dictionary Online